CodeCogs Components

Uses a linear dispersion relationship to compute wave-frequency from wave-number

http://www.codecogs.com/library/engineering/fluid_mechanics/waves/dispersion.php

Compute the greatest common divisor of two values. Excel: GCD

http://www.codecogs.com/library/maths/combinatorics/arithmetic/gcd.php

Interpolates a given set of points using Akima spline fitting.

http://www.codecogs.com/library/maths/approximation/interpolation/akima.php

Interpolates a given set of points using cubic spline fitting.

http://www.codecogs.com/library/maths/approximation/interpolation/cubic.php

Introduction to orifice

http://www.codecogs.com/library/engineering/fluid_mechanics/orifice/introduction.php

Defines the Pierson Moskowitz spectra in the wave-frequency domain

http://www.codecogs.com/library/engineering/fluid_mechanics/waves/spectra/pierson_moskowitz.php

Fresnel sin integral.

http://www.codecogs.com/library/maths/special/fresnel_sin.php

Calculates the minimum of a one-dimensional real function using Brent's method.

http://www.codecogs.com/library/maths/optimization/brent.php

Yearly frequency to be used in financial calculations

http://www.codecogs.com/library/finance/banking/yearlyfreq.php

Year basis to be used in financial calculations

http://www.codecogs.com/library/finance/banking/yearbasis.php

Evaluates the Reynolds number of given parameters.

http://www.codecogs.com/library/engineering/fluid_mechanics/fundamentals/reynolds.php

Returns the Nusselt number for a fluid flowing over a pipe.

http://www.codecogs.com/library/engineering/thermodynamics/convection/nusselt_extpipe.php

Returns the Nusselt number for a fluid going through a pipe.

http://www.codecogs.com/library/engineering/thermodynamics/convection/nusselt_intpipe.php

Evaluates the negative binomial distribution CDF.

http://www.codecogs.com/library/statistics/distributions/discrete/negativebinomial/cdf.php

Generates random numbers following a Poisson distribution.

http://www.codecogs.com/library/statistics/distributions/discrete/poisson/randomsample.php

Generates random numbers following a discrete distribution.

http://www.codecogs.com/library/statistics/distributions/discrete/discrete/randomsample.php

Stokes 5th order wave theory, which computes the surface profile and kinematics

http://www.codecogs.com/library/engineering/fluid_mechanics/waves/analytic/stokes.php

Calculates the critical depth for failure of an infinite slope

http://www.codecogs.com/library/engineering/geotechnics/critical_depth_inf.php

The stability (safety factor) of a undrained cut or built slope.

http://www.codecogs.com/library/engineering/geotechnics/slope_safety_factor.php

Evaluates the inverse of the hypergeometric cumulative density function.

http://www.codecogs.com/library/statistics/distributions/discrete/hypergeometric/cdf_inv.php

Evaluates the hypergeometric cumulative density function.

http://www.codecogs.com/library/statistics/distributions/discrete/hypergeometric/cdf.php

The binomial distribution inverse CDF

http://www.codecogs.com/library/statistics/distributions/discrete/binomial/cdf_inv.php

Evaluates the binomial distribution CDF.

http://www.codecogs.com/library/statistics/distributions/discrete/binomial/cdf.php

The two-parameter Weibull probability density function

http://www.codecogs.com/library/statistics/distributions/continuous/weibull/pdf.php

Student's T distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/t/pdf.php

Returns the inverse (quantile) of the T distribution.

http://www.codecogs.com/library/statistics/distributions/continuous/t/cdf_inv.php

Student's T distribution CDF

http://www.codecogs.com/library/statistics/distributions/continuous/t/cdf.php

Evaluates the standard normal probability density function.

http://www.codecogs.com/library/statistics/distributions/continuous/stdnormal/pdf.php

Evaluates the standard normal cumulative density function.

http://www.codecogs.com/library/statistics/distributions/continuous/stdnormal/cdf.php

Evaluates the inverse of the normal cumulative density function.

http://www.codecogs.com/library/statistics/distributions/continuous/normal/cdf_inv.php

Evaluates the inverse of the standard normal cumulative density function.

http://www.codecogs.com/library/statistics/distributions/continuous/stdnormal/cdf_inv.php

Evaluates the normal cumulative density function.

http://www.codecogs.com/library/statistics/distributions/continuous/normal/cdf.php

Evaluates the Gamma distribution CDF.

http://www.codecogs.com/library/statistics/distributions/continuous/gamma/cdf.php

Inverse of the complemented F distribution CDF

http://www.codecogs.com/library/statistics/distributions/continuous/f/cdf_inv.php

Evaluates the Burr distribution CDF.

http://www.codecogs.com/library/statistics/distributions/continuous/burr/cdf.php

Evaluates the variance of the Bradford distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/bradford/variance.php

Evaluates the Bradford distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/bradford/pdf.php

Evaluates the mean of the Bradford distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/bradford/mean.php

Evaluates the Bradford distribution CDF inverse.

http://www.codecogs.com/library/statistics/distributions/continuous/bradford/cdf_inv.php

Evaluate Del(a) + Del(b) - Del(a+b).

http://www.codecogs.com/library/maths/approximation/series/asympt_expn.php

The Error Function.

http://www.codecogs.com/library/maths/special/errorfn.php

The Exponential Complementary Error Function.

http://www.codecogs.com/library/maths/special/errorfnc_exp.php

The Complementary Error Function.

http://www.codecogs.com/library/maths/special/errorfnc.php

Evaluates ln(gamma(b) / gamma(a+b)).

http://www.codecogs.com/library/maths/special/gamma/loggammafrac.php

Returns the natural logarithm of the complete beta function.

http://www.codecogs.com/library/maths/special/gamma/logbeta.php

Inverse of the incomplete (regularized) beta integral.

http://www.codecogs.com/library/maths/special/gamma/beta_reg_inv.php

Evaluates the inverse of the Beta CDF.

http://www.codecogs.com/library/statistics/distributions/continuous/beta/cdf_inv.php

Calculates the linear regression parameters and evaluates the regression line at arbitrary abscissas

http://www.codecogs.com/library/maths/approximation/regression/linear.php

Linearly interpolates a given set of points.

http://www.codecogs.com/library/maths/approximation/interpolation/linear.php

The JONSWAP spectra in the wave-frequency domain

http://www.codecogs.com/library/engineering/fluid_mechanics/waves/spectra/jonswap.php

Calculates the cumulative Weibull distribution

http://www.codecogs.com/library/statistics/distributions/continuous/weibull/cdf.php

Computes an approximate solution to the Cauchy problem using Euler's method.

http://www.codecogs.com/library/maths/calculus/ode/euler.php

Finds the smallest value of order k in the given array.

http://www.codecogs.com/library/statistics/moments/smallest.php

Calculates the number of elements in an array that satisfy a certain condition.

http://www.codecogs.com/library/statistics/countif.php

Establish the heap property for a given root.

http://www.codecogs.com/library/computing/sort/heap.php

Approximates a discrete function using least squares polynomial fitting.

http://www.codecogs.com/library/maths/approximation/regression/discrete.php

Computes the area of the circular segment within a circle tangent to a reference line.

http://www.codecogs.com/library/maths/geometry/area/circle.php

Calculates the factorial of an integer number.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/factorial.php

Computes the rank of the given permutation, as generated by Permutation Class 2.

http://www.codecogs.com/library/maths/combinatorics/permutations/rank.php

Dynamically allocates a zero_based 3D block (cube) of data.

http://www.codecogs.com/library/computing/array/cube.php

Calculates array of Bernoulli numbers using an infinite series

http://www.codecogs.com/library/maths/discrete/number_theory/bernoulli_b.php

Solves the linear inhomogeneous recurrence relation

http://www.codecogs.com/library/maths/discrete/recurrence/linear/inhomogeneous/first_order.php

Given two initial points, this algorithm finds another point such that a bracketing triple is formed.

http://www.codecogs.com/library/maths/optimization/bracket.php

Calculates the minimum of a one-dimensional real function using the golden section search method.

http://www.codecogs.com/library/maths/optimization/golden.php

Calculates the minimum of a real function with several variables using the simplex method of Nelder and Mead.

http://www.codecogs.com/library/maths/optimization/nelder.php

Calculates the zeros of a function using Aitken acceleration.

http://www.codecogs.com/library/maths/rootfinding/aitken.php

Calculates the zeros of a polynomial using Bernoulli's algorithm.

http://www.codecogs.com/library/maths/rootfinding/bernoulli.php

Calculates the zeros of a function using the bisection method.

http://www.codecogs.com/library/maths/rootfinding/bisection.php

Calculates the zeros of a function using Brent's method.

http://www.codecogs.com/library/maths/rootfinding/brent.php

Calculates the zeros of a function using the Regula-Falsi method.

http://www.codecogs.com/library/maths/rootfinding/falseposition.php

Calculates the zeros of a function using Muller's method.

http://www.codecogs.com/library/maths/rootfinding/muller.php

Calculates the zeros of a function using Newton's method.

http://www.codecogs.com/library/maths/rootfinding/newton.php

Calculates the zeros of a function using the secant method.

http://www.codecogs.com/library/maths/rootfinding/secant.php

Calculates the inverse of the given permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/inverse.php

Calculates the mean of the interior of data set.

http://www.codecogs.com/library/statistics/moments/trim_mean.php

Calculates the statistics for a set of data that may change size frequently.

http://www.codecogs.com/library/statistics/moments/statistics.php

Calculates the sum of squared deviations of a given set of data.

http://www.codecogs.com/library/statistics/moments/squared_deviations.php

Calculates the skewness of a given set of data.

http://www.codecogs.com/library/statistics/moments/skewness.php

Calculates the rank of a number in a list of numbers.

http://www.codecogs.com/library/statistics/moments/rank.php

Calculates the probability that values in a range are between two limits.

http://www.codecogs.com/library/statistics/moments/prob.php

Calculates the number of permutations for a given set of data.

http://www.codecogs.com/library/statistics/moments/permut.php

Calculates the Pearson product for a given set of data.

http://www.codecogs.com/library/statistics/moments/pearson.php

Finds the most common value in an array.

http://www.codecogs.com/library/statistics/moments/mode.php

Returns the median of the given population.

http://www.codecogs.com/library/statistics/moments/median.php

Calculates the arithmetic mean of a given population

http://www.codecogs.com/library/statistics/moments/mean.php

Finds the largest value of order k in the given array.

http://www.codecogs.com/library/statistics/moments/largest.php

Calculates the kurtosis of a given set of data.

http://www.codecogs.com/library/statistics/moments/kurtosis.php

Calculates the harmonic mean of a given population.

http://www.codecogs.com/library/statistics/moments/harmonic.php

Calculates the geometric mean of a given population.

http://www.codecogs.com/library/statistics/moments/geometric.php

Calculates how often values occur within a given set of ranges.

http://www.codecogs.com/library/statistics/moments/frequency.php

Calculates the inverse of the Fisher transformation.

http://www.codecogs.com/library/statistics/moments/fisher_inverse.php

Calculates Fisher transformation.

http://www.codecogs.com/library/statistics/moments/fisher.php

Calculates the covariance of a given set of data

http://www.codecogs.com/library/statistics/moments/covariance.php

Calculates the correlation of a given set of data.

http://www.codecogs.com/library/statistics/moments/correlation.php

Calculates the number of combinations for a given set of data.

http://www.codecogs.com/library/statistics/moments/combin.php

Calculates the absolute deviation of a given set of data.

http://www.codecogs.com/library/statistics/moments/avedev.php

Random number generator class using the Mersenne Twister algorithm

http://www.codecogs.com/library/statistics/random/mersenne.php

Random number generator class using George Marsaglia's mother of all algorithm.

http://www.codecogs.com/library/statistics/random/motherofall.php

Random number generator class using the Wichmann-Hill algorithm.

http://www.codecogs.com/library/statistics/random/wichhill.php

Random number generator class using the Lewis-Goodman-Miller algorithm with additional Marsaglia mixing.

http://www.codecogs.com/library/statistics/random/lgm.php

Random number generator class using the Fishmann-Moore algorithm.

http://www.codecogs.com/library/statistics/random/fishmoore.php

Random number generator class using George Marsaglia's multiply with carry algorithm.

http://www.codecogs.com/library/statistics/random/carry.php

Calculates the sum of elements in an array that satisfy a certain condition.

http://www.codecogs.com/library/statistics/sumif.php

Measurement units, including imperial and SI units

http://www.codecogs.com/library/units/convert/area.php

Density units, including imperial and SI units

http://www.codecogs.com/library/units/convert/density.php

Distance units, including imperial and SI units

http://www.codecogs.com/library/units/convert/distance.php

Measurement units, including imperial and SI units

http://www.codecogs.com/library/units/convert/flow.php

Force units, including imperial and SI units

http://www.codecogs.com/library/units/convert/force.php

Measurement units, including imperial and SI units

http://www.codecogs.com/library/units/convert/light.php

Measurement units, including imperial and SI units

http://www.codecogs.com/library/units/convert/power.php

Measurement units, including imperial and SI units

http://www.codecogs.com/library/units/convert/pressure.php

Temperature units in imperial and SI units

http://www.codecogs.com/library/units/convert/temperature.php

Volume units, including imperial and SI units

http://www.codecogs.com/library/units/convert/volume.php

Converts any numbers from one unit to another

http://www.codecogs.com/library/units/convert/convert.php

Angle Units, including imperial and SI units

http://www.codecogs.com/library/units/convert/angle.php

Unit functions

http://www.codecogs.com/library/units/date/datestring.php

Calculates the serial date from the parameters b day, b month and b year. Excel: DATE

http://www.codecogs.com/library/units/date/date.php

Advances the specified date to the next weekday.

http://www.codecogs.com/library/units/date/nextweekday.php

Computes the week number of a date - ISO, Excel and Simple standards implemented. begin{html}Excel: WEEKNUMend{html}

http://www.codecogs.com/library/units/date/weekofyear.php

Computes the number of days between two serial dates using a 360 day accounting years. begin{html}Excel: DAYS360end{html}

http://www.codecogs.com/library/units/date/datediff360.php

Calenders: Gregorian, Julian and Excel

http://www.codecogs.com/library/units/date/constants.php

Times zone offsets (from GMT) for key locations around the world.

http://www.codecogs.com/library/units/time/worldtimezone.php

The summer time regions of the world and their start/end rules.

http://www.codecogs.com/library/units/time/summertimeregion.php

Calculates the start and end of summer time in the specified year and region.

http://www.codecogs.com/library/units/time/summertime.php

Computes the area of the ellipse segment determined by the intersection of an ellipse and a line parallel to the reference line.

http://www.codecogs.com/library/maths/geometry/area/ellipse.php

This class manages the coordinate of a point on the surface of any spherical object.

http://www.codecogs.com/library/maths/geometry/spherical/position.php

Converts latitude expressed in degrees, minutes and seconds into Degrees.

http://www.codecogs.com/library/maths/geometry/spherical/latlong.php

Returns the "distance" in radians (about the spheres centre) between two positions.

http://www.codecogs.com/library/maths/geometry/spherical/angulardistance.php

Computes the volume of an ellipsoidal cap.

http://www.codecogs.com/library/maths/geometry/volume/ellipsoidal_cap.php

Pythagoras Generalized Theorem implementation

http://www.codecogs.com/library/maths/geometry/pythgen.php

The number of corners found on regular shapes

http://www.codecogs.com/library/maths/geometry/corners.php

Evaluates a polynomial of degree N.

http://www.codecogs.com/library/maths/approximation/polynomial/poly_eval.php

Progressively generates all the permutations of the given size.

http://www.codecogs.com/library/maths/combinatorics/permutations/permutation1.php

Progressively generates all the permutations of the given size.

http://www.codecogs.com/library/maths/combinatorics/permutations/permutation3.php

Progressively generates all the permutations of the given size.

http://www.codecogs.com/library/maths/combinatorics/permutations/permutation2.php

Poisson probability density.

http://www.codecogs.com/library/statistics/distributions/discrete/poisson/pdf.php

The regularized lower incomplete Gamma integral

http://www.codecogs.com/library/maths/special/gamma/gamma_lower_reg.php

Stirling series approximation of the gamma function

http://www.codecogs.com/library/maths/special/gamma/stirling.php

Returns gamma function of the argument.

http://www.codecogs.com/library/maths/special/gamma/gamma.php

Evaluates the Angle distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/angle/pdf.php

Calculates the standard deviation of a given population.

http://www.codecogs.com/library/statistics/moments/standard_deviation.php

Calculates the variance of a given set of data.

http://www.codecogs.com/library/statistics/moments/variance.php

Converts a decimal number into octal number

http://www.codecogs.com/library/computing/base/dec_to_oct.php

Computes the area of a trapezium within a triangle with a fixed edge.

http://www.codecogs.com/library/maths/geometry/area/edge_triangle.php

Evaluates the Poisson distribution CDF.

http://www.codecogs.com/library/statistics/distributions/discrete/poisson/cdf.php

Evaluates the normal probability density function.

http://www.codecogs.com/library/statistics/distributions/continuous/normal/pdf.php

Evaluates the Chebyshev polynomial series

http://www.codecogs.com/library/maths/approximation/polynomial/cheb_eval.php

A complete list of modules available on CodeCogs. CodeCogs is an open-source C/C++ numerical software component database, from which efficient scientific, engineering and financial applications can be built.

http://www.codecogs.com/library/computing/graphics/rgb-to-hex.php

Implements the Message-Digest algorithm 5.

http://www.codecogs.com/library/computing/security/md5.php

Calculates the rising factorial with arguments e x and e n.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/rising_factorial.php

Beam deflection due to a point load with two pin jointed supports at either end.

http://www.codecogs.com/library/engineering/structures/deflection_pp.php

Dynamically allocates a zero-based 2D block (matrix) of data.

http://www.codecogs.com/library/computing/array/matrix.php

Generates random numbers following a standard normal distribution.

http://www.codecogs.com/library/statistics/distributions/continuous/normal/randomsample.php

Evaluates the logistic cumulative density function.

http://www.codecogs.com/library/statistics/distributions/continuous/logistic/cdf.php

Quick sort an array of values into ascending numerical order.

http://www.codecogs.com/library/computing/sort/quick.php

Insertion sort an array of values.

http://www.codecogs.com/library/computing/sort/insertion.php

Bucket sort an array of integer values into ascending numerical order.

http://www.codecogs.com/library/computing/sort/bucket.php

Array namespace

http://www.codecogs.com/library/computing/array/lookup.php

RoundDirection

http://www.codecogs.com/library/computing/io/format/roundto.php

Format a number with grouped thousands.

http://www.codecogs.com/library/computing/io/format/number_format.php

Reads the contents of a file into a dynamically created character string.

http://www.codecogs.com/library/computing/io/binary/read_file.php

Calculate the length of C++ - style files

http://www.codecogs.com/library/computing/io/binary/file_length_cpp.php

Calculates the length of a binary file.

http://www.codecogs.com/library/computing/io/binary/file_length.php

Implements the LZW compression algorithm.

http://www.codecogs.com/library/computing/io/compression/lzw.php

Implements the variable compression size LZW algorithm

http://www.codecogs.com/library/computing/io/compression/variablelzw.php

Calculates array of Bernoulli numbers using recurrent relations.

http://www.codecogs.com/library/maths/discrete/number_theory/bernoulli_a.php

This function determines whether n is a prime number or not.

http://www.codecogs.com/library/maths/discrete/number_theory/is_prime.php

Calculates Euler numbers by means of recurrent relation

http://www.codecogs.com/library/maths/discrete/number_theory/euler.php

Returns the prime number of order e n.

http://www.codecogs.com/library/maths/discrete/number_theory/primes.php

Calculates the decomposition of a positive integer into primes.

http://www.codecogs.com/library/maths/discrete/number_theory/factorize_direct.php

Calculates the decomposition of a positive integer into primes.

http://www.codecogs.com/library/maths/discrete/number_theory/factorize.php

Function used at calculating asymptotic expansions.

http://www.codecogs.com/library/maths/special/bessel/kelvin.php

Rosin-Rammler cumulative distribution

http://www.codecogs.com/library/statistics/distributions/continuous/rosin_rammler.php

Evaluates the Owen's T function.

http://www.codecogs.com/library/maths/special/t.php

Finance namespace

http://www.codecogs.com/library/finance/banking/interesteffective.php

Interpolates a given set of points using the Lagrange polynomial.

http://www.codecogs.com/library/maths/approximation/interpolation/lagrange.php

Computes an approximate solution to the Cauchy problem using the 4th order Runge-Kutta method.

http://www.codecogs.com/library/maths/calculus/ode/runge.php

Computes the inverse logarithm

http://www.codecogs.com/library/maths/combinatorics/arithmetic/log_inv.php

Evaluates the Beta function.

http://www.codecogs.com/library/maths/special/gamma/beta.php

Generates the combination of e n objects out of e m, of the given rank

http://www.codecogs.com/library/maths/combinatorics/combinations/unrank_combination.php

Converts serial Julian date into serial Excel date

http://www.codecogs.com/library/units/date/juliantoexcel.php

Approximates an arbitrary function using orthogonal polynomials.

http://www.codecogs.com/library/maths/approximation/regression/orthogonal.php

Returns the round off unit for double precision arithmetic.

http://www.codecogs.com/library/computing/lowlevel/machine_epsilon.php

Evaluates the inverse of the error function.

http://www.codecogs.com/library/maths/special/errorfn_inv.php

Evaluates the PDF of the Beta distribution.

http://www.codecogs.com/library/statistics/distributions/continuous/beta/pdf.php

Returns the area from zero to x under the beta density.

http://www.codecogs.com/library/statistics/distributions/continuous/beta/cdf.php

Dynamically allocates a 1D block (vector) of data.

http://www.codecogs.com/library/computing/array/vector.php

Converts a text comma or space seperated string of numbers into a double array

http://www.codecogs.com/library/strings/strtodouble_vec.php

Implements the GIF file format

http://www.codecogs.com/library/computing/graphics/formats/gif.php

Adaptive integration algorithm using RMS formulae

http://www.codecogs.com/library/maths/calculus/quadrature/adaptive.php

This class implements order-statistic image processing filters.

http://www.codecogs.com/library/computing/graphics/order-statistic-filter-class.php

Finance functions

http://www.codecogs.com/library/finance/banking/accruedinterest.php

The phase velocity of a wave (also known as 'wave celerity')

http://www.codecogs.com/library/engineering/fluid_mechanics/waves/celerity.php

The velocity of a wave group (also known as 'group celerity')

http://www.codecogs.com/library/engineering/fluid_mechanics/waves/group_celerity.php

Cheng's BB algorithm for generating Beta distribution random values

http://www.codecogs.com/library/statistics/distributions/continuous/beta/randomsample.php

Evaluates the chi-squared CDF.

http://www.codecogs.com/library/statistics/distributions/continuous/chisquared/cdf.php

Evaluates the Burr distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/burr/pdf.php

Evaluates the Arcsin distribution CDF.

http://www.codecogs.com/library/statistics/distributions/continuous/arcsin/cdf.php

A complete list of modules available on CodeCogs. CodeCogs is an open-source C/C++ numerical software component database, from which efficient scientific, engineering and financial applications can be built.

http://www.codecogs.com/library/engineering/thermodynamics/work.php

Time within a period when a payment is made

http://www.codecogs.com/library/finance/banking/future_value.php

Extracts the year from a serial Julian date. Excel: MONTH

http://www.codecogs.com/library/units/date/year.php

Median filter module

http://www.codecogs.com/library/computing/graphics/median-filter.php

Returns true if the computer architecture is Big Endian, false otherwise.

http://www.codecogs.com/library/computing/lowlevel/is_big_endian.php

Return the present value of an investment.

http://www.codecogs.com/library/finance/accounting/pv.php

Computes the definite integral of a function using Simpson's first rule.

http://www.codecogs.com/library/maths/calculus/quadrature/simpson.php

Finance namespace

http://www.codecogs.com/library/finance/banking/couponprevdate.php

Advances a serial date by a number of a Months. Excel: EDATE

http://www.codecogs.com/library/units/date/incmonth.php

Finance namespace

http://www.codecogs.com/library/finance/banking/coupondaysafterset.php

Evaluates the logistic probability density function.

http://www.codecogs.com/library/statistics/distributions/continuous/logistic/pdf.php

Compute the pressure due to a volume of gas.

http://www.codecogs.com/library/engineering/thermodynamics/pressure.php

Evaluates the inverse of the logistic cumulative density function.

http://www.codecogs.com/library/statistics/distributions/continuous/logistic/cdf_inv.php

Evaluates the Anglit distribution CDF inverse.

http://www.codecogs.com/library/statistics/distributions/continuous/anglit/cdf_inv.php

Evaluates the Arcsin distribution CDF inverse.

http://www.codecogs.com/library/statistics/distributions/continuous/arcsin/cdf_inv.php

Generates random numbers following a Chi-Square distribution.

http://www.codecogs.com/library/statistics/distributions/continuous/chisquared/randomsample.php

Generates random numbers following a standard gamma distribution.

http://www.codecogs.com/library/statistics/distributions/continuous/gamma/randomsample.php

Generates random numbers following a negative binomial distribution.

http://www.codecogs.com/library/statistics/distributions/discrete/negativebinomial/randomsample.php

Returns a string for the weekday specified.

http://www.codecogs.com/library/units/date/weekday_str.php

Returns a string pointer to the month of the year.

http://www.codecogs.com/library/units/date/month_str.php

Approximates an arbitrary function using Forsythe orthogonal polynomials.

http://www.codecogs.com/library/maths/approximation/regression/forsythe.php

Evaluates the logistic regression curve built from a given set of points.

http://www.codecogs.com/library/maths/approximation/regression/logistic.php

Approximates an arbitrary function using parabolic least squares fitting.

http://www.codecogs.com/library/maths/approximation/regression/parabolic.php

Approximates a given function using the Stiefel-Remes method.

http://www.codecogs.com/library/maths/approximation/regression/stiefel.php

Calculates the date of Easter Sunday for the given year. Open Office: EASTERSUNDAY

http://www.codecogs.com/library/units/date/eastersunday.php

Matches nested brackets and returns the location after the end of a bracket that matched the current location.

http://www.codecogs.com/library/strings/search/detect_bracket.php

Calculates the number of minutes that the given region is offset from GMT

http://www.codecogs.com/library/units/time/gmtoffset.php

The regularized incomplete Beta integral

http://www.codecogs.com/library/maths/special/gamma/beta_reg.php

Calculates the logarithm of the factorial with given argument.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/log_factorial.php

Finance functions

http://www.codecogs.com/library/finance/banking/dollar_fraction.php

Generates random numbers for a discrete distribution in constant time.

http://www.codecogs.com/library/statistics/distributions/discrete/discrete/randomfast.php

Unit functions

http://www.codecogs.com/library/units/date/datetime.php

Finance functions

http://www.codecogs.com/library/finance/banking/dollar_decimal.php

A function that calculates the nth root of an object

http://www.codecogs.com/library/maths/combinatorics/arithmetic/nroot.php

Evaluates the Angle distribution CDF.

http://www.codecogs.com/library/statistics/distributions/continuous/angle/cdf.php

Evaluates the Bradford distribution CDF.

http://www.codecogs.com/library/statistics/distributions/continuous/bradford/cdf.php

Returns the row of order e n in Pascal's triangle.

http://www.codecogs.com/library/maths/combinatorics/sequences/pascal_triangle_row.php

A stl-compliant N-dimensional grid class

http://www.codecogs.com/library/computing/array/grid.php

Psi (digamma) function

http://www.codecogs.com/library/maths/special/gamma/psi.php

Calculates the Padovan numbers of orders 0 through e n.

http://www.codecogs.com/library/maths/combinatorics/sequences/padovan_numbers_list.php

Computes the Catalan numbers, of order 0 to n.

http://www.codecogs.com/library/maths/combinatorics/sequences/catalan_numbers_list.php

Returns the Bell numbers of order 0 to n.

http://www.codecogs.com/library/maths/combinatorics/sequences/bell_numbers_list.php

Computes the first e n values of a Perrin sequence.

http://www.codecogs.com/library/maths/combinatorics/sequences/perrin_numbers_list.php

Computes the first e n values of the Schroeder sequence.

http://www.codecogs.com/library/maths/combinatorics/sequences/schroeder_numbers_list.php

Returns a row of the alternating sign matrix triangle.

http://www.codecogs.com/library/maths/combinatorics/sequences/asm_triangle_row.php

Calculates the numbers of involutions of 0 through e n objects.

http://www.codecogs.com/library/maths/combinatorics/sequences/involution_numbers_list.php

Calculates the Airy functions Ai and Bi and their derivatives.

http://www.codecogs.com/library/maths/special/airy/airy.php

Computes the temperature at a given distance within a thin planar homogeneous wall.

http://www.codecogs.com/library/engineering/thermodynamics/conduction/hm_plane.php

Returns the Nusselt number for a fluid going over a flat surface.

http://www.codecogs.com/library/engineering/thermodynamics/convection/nusselt_flat.php

Computes the first and second derivatives of a function using the Taylor formula.

http://www.codecogs.com/library/maths/calculus/differential/taylor.php

Evaluates the Anglit distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/anglit/pdf.php

Evaluates the Anglit distribution CDF.

http://www.codecogs.com/library/statistics/distributions/continuous/anglit/cdf.php

Computes the area of a trapezium within a right angled triangle with a fixed edge.

http://www.codecogs.com/library/maths/geometry/area/right_triangle.php

Main Karatsuba recursive algorithm

http://www.codecogs.com/library/maths/combinatorics/arithmetic/karatsuba.php

Calculates the logarithm of the binomial coefficient with given arguments.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/log_binomial.php

Evaluates the hypergeometric probability density function.

http://www.codecogs.com/library/statistics/distributions/discrete/hypergeometric/pdf.php

Evaluates the variance of the Arcsin distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/arcsin/variance.php

Evaluates the Arcsin distribution PDF.

http://www.codecogs.com/library/statistics/distributions/continuous/arcsin/pdf.php

Evaluates the log normal probability density function.

http://www.codecogs.com/library/statistics/distributions/continuous/lognormal/pdf.php

Inverse of the complemented chi-square distribution

http://www.codecogs.com/library/statistics/distributions/continuous/chisquared/cdf_inv.php

Modified Bessel function of the third kind, with zero order.

http://www.codecogs.com/library/maths/special/bessel/k/k0.php

Bessel function of second kind of integer order.

http://www.codecogs.com/library/maths/special/bessel/y/y.php

Modified Bessel function, third kind, order one.

http://www.codecogs.com/library/maths/special/bessel/k/k1.php

Evaluates the F distribution CDF

http://www.codecogs.com/library/statistics/distributions/continuous/f/cdf.php

Bessel function of second kind with zero order.

http://www.codecogs.com/library/maths/special/bessel/y/y0.php

Computes the definite integral of a function using the trapezoidal rule.

http://www.codecogs.com/library/maths/calculus/quadrature/trapezoidal.php

Fresnel cos integral.

http://www.codecogs.com/library/maths/special/fresnel_cos.php

Computes the Struve function Hv(x)

http://www.codecogs.com/library/maths/special/bessel/struve.php

Performs the subtraction of two long positive integers in the given base.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/subtract.php

Progressively generates all the permutations of the given size, in lexicographic order.

http://www.codecogs.com/library/maths/combinatorics/permutations/permutationlex.php

Calculates the negative binomial distribution PDF.

http://www.codecogs.com/library/statistics/distributions/discrete/negativebinomial/pdf.php

Modified Bessel function, third kind, integer order.

http://www.codecogs.com/library/maths/special/bessel/k/k.php

Bessel function of the first kind, with order one.

http://www.codecogs.com/library/maths/special/bessel/j/j1.php

Hankel's asymptotic expansion of large values of a x

http://www.codecogs.com/library/maths/special/bessel/hankel.php

Performs the multiplication of two long positive integers in the given base.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/multiply.php

Performs the addition of two long positive integers in the given base.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/add.php

Bessel function of the first kind, with order zero and exponential scaling.

http://www.codecogs.com/library/maths/special/bessel/j/j0.php

Inverse of the Poisson distribution CDF

http://www.codecogs.com/library/statistics/distributions/discrete/poisson/cdf_inv.php

Asymptotic expansion of bessel J for large v.

http://www.codecogs.com/library/maths/special/bessel/j/j_expansion.php

Bessel function of the first kind of integer order.

http://www.codecogs.com/library/maths/special/bessel/j/j.php

Tests whether the given arguments are equal.

http://www.codecogs.com/library/statistics/operators.php

Evaluates the log normal cumulative density function.

http://www.codecogs.com/library/statistics/distributions/continuous/lognormal/cdf.php

Evaluates the binomial distribution probability density function.

http://www.codecogs.com/library/statistics/distributions/discrete/binomial/pdf.php

Evaluates the inverse of the log normal cumulative density function.

http://www.codecogs.com/library/statistics/distributions/continuous/lognormal/cdf_inv.php

Computes the definite integral of a function using the Gauss quadrature for 3 points.

http://www.codecogs.com/library/maths/calculus/quadrature/gauss.php

The negative binomial distribution inverse CDF

http://www.codecogs.com/library/statistics/distributions/discrete/negativebinomial/cdf_inv.php

Evaluates the sine power integral.

http://www.codecogs.com/library/maths/special/sine_power_integral.php

Bessel function of second kind with order one.

http://www.codecogs.com/library/maths/special/bessel/y/y1.php

Computes the temperatures at contact surfaces between the layers of a spherical non-homogeneous wall.

http://www.codecogs.com/library/engineering/thermodynamics/conduction/nhm_sphere.php

Returns the current second from a serial Julian date and time. Excel: SECOND

http://www.codecogs.com/library/units/time/second.php

Computes the first and second derivatives of a function at multiple points.

http://www.codecogs.com/library/maths/calculus/differential/taylor_table.php

Computes the temperature inside a thin homogeneous spherical wall.

http://www.codecogs.com/library/engineering/thermodynamics/conduction/hm_sphere.php

Computes the temperatures at contact surfaces between the layers of a planar non-homogeneous wall.

http://www.codecogs.com/library/engineering/thermodynamics/conduction/nhm_plane.php

Returns the current minute from a serial Julian date and time. Excel: MINUTE

http://www.codecogs.com/library/units/time/minute.php

Wraps long lines of html text by replacing spaces with a newline.

http://www.codecogs.com/library/strings/html_word_wrap.php

Checks for speech marks at the current offset and moves to the corresponding end of the speech marked block

http://www.codecogs.com/library/strings/search/detect_speech.php

Computes the fraction of the year between two serial dates, Excel: YEARFRAC

http://www.codecogs.com/library/finance/banking/yearfraction.php

Module containing parameters used in the convective heat transfer modules.

http://www.codecogs.com/library/engineering/thermodynamics/convection/parameters.php

Finds the end of a C/C++ comment, if it exists at the current location within a string

http://www.codecogs.com/library/strings/search/detect_comments.php

Computes the radiative heat flow between two plane surfaces that are separated by a number of absorptive thin shields.

http://www.codecogs.com/library/engineering/thermodynamics/radiation/flow_shield.php

Computes the radiative heat flow between two plane surfaces that are separated by a non-absorptive medium.

http://www.codecogs.com/library/engineering/thermodynamics/radiation/flow_noshield.php

Computes the radiative heat flow between an enclosing surface and a body found inside it.

http://www.codecogs.com/library/engineering/thermodynamics/radiation/flow_enclosed.php

Computes the total energy radiated by a body with given parameters.

http://www.codecogs.com/library/engineering/thermodynamics/radiation/energy.php

Returns the location to the nth word in str.

http://www.codecogs.com/library/strings/nth_word.php

Enumation of Payment point

http://www.codecogs.com/library/finance/banking/nperiods.php

Calculates the convective heat flow per unit area of a fluid.

http://www.codecogs.com/library/engineering/thermodynamics/convection/flow.php

Return the nominal annual interest rate. Excel: NOMINAL

http://www.codecogs.com/library/finance/banking/interestnominal.php

Return the interest rate for a fully invested security. Excel: INTRATE

http://www.codecogs.com/library/finance/banking/interestsecurity.php

Return number of days in coupon period containing the settlement date. Excel: COUPDAYS

http://www.codecogs.com/library/finance/banking/coupondaysinperiod.php

Calculates the number of permutations of e n objects with e m fixed.

http://www.codecogs.com/library/maths/combinatorics/sequences/fixed_permutation.php

Calculate the yield for a treasury bill. Excel: TBILLYIELD

http://www.codecogs.com/library/finance/banking/billyield.php

Return the number of days from the start of the coupon period to the settlement date. Excel: COUPDAYBS

http://www.codecogs.com/library/finance/banking/coupondaystoset.php

Returns the time offset between two world locations

http://www.codecogs.com/library/units/time/worldtimediff.php

Computes the number of days between two serial Julian dates Open Office: DATEDIFF

http://www.codecogs.com/library/units/date/datediff.php

Calculate the next coupon date for a security. Excel: COUPNCD

http://www.codecogs.com/library/finance/banking/couponnextdate.php

Returns the total amount received from a financial security at maturity Excel: RECEIVED

http://www.codecogs.com/library/finance/banking/totalreceived.php

Computes the Gregorian day of the year from a serial Julian date.

http://www.codecogs.com/library/units/date/dayofyear.php

Computes the day of the week (Sunday through to Monday), for the specified serial Julian date.

http://www.codecogs.com/library/units/date/dayofweek.php

Returns the date in January when the first Monday occurs.

http://www.codecogs.com/library/units/date/firstmonday.php

Extracts the day from a serial Julian date. Excel: DAY

http://www.codecogs.com/library/units/date/day.php

Returns the current date as a serial Julian date. Excel: TODAY

http://www.codecogs.com/library/units/date/today.php

Calculate the price per 100 units face value of a treasury bill. Excel: TBILLPRICE

http://www.codecogs.com/library/finance/banking/billprice.php

Calculates the time fraction from the parameters b hours, b minutes and b seconds. Excel: TIME

http://www.codecogs.com/library/units/time/time.php

The reciprocal of the gamma function.

http://www.codecogs.com/library/maths/special/gamma/gamma_rcp.php

Advances a serial date to the last day of the month after adding a months. Excel: EOMONTH

http://www.codecogs.com/library/units/date/endofmonth.php

Converts serial Excel date into serial Julian date

http://www.codecogs.com/library/units/date/exceltojulian.php

Returns the number of days in the year of a Gregorian calendars. Open Office: DAYSINYEAR

http://www.codecogs.com/library/units/date/daysinyear.php

The inverse of the regularized upper incomplete Gamma integral

http://www.codecogs.com/library/maths/special/gamma/gammaupper_reg_inv.php

Computes the working date from the specified date plus or minus a days - excluding holidays. Excel: WORKDAY

http://www.codecogs.com/library/units/date/workday.php

Returns true if the specified a year is a leap-year in the Gregorian calendar (contains 29days in February). Open Office: ISLEAPYEAR

http://www.codecogs.com/library/units/date/isleapyear.php

Returns the number of days in the month of a Gregorian calendars. Open Office: DAYSINMONTH

http://www.codecogs.com/library/units/date/daysinmonth.php

Returns the date of the nth weekday within the specified month and year.

http://www.codecogs.com/library/units/date/nthweekday.php

Returns the number of working days between the start and end dates, excluding holidays. Excel: NETWORKDAYS

http://www.codecogs.com/library/units/date/networkdays.php

Evaluates the Trigamma function.

http://www.codecogs.com/library/maths/special/gamma/trigamma.php

Extracts the month from a serial Julian date. Excel: MONTH

http://www.codecogs.com/library/units/date/month.php

Converts a serial Julian date into day, month and year values

http://www.codecogs.com/library/units/date/dateymd.php

Finance namespace

http://www.codecogs.com/library/finance/accounting/deprecstraight.php

Returns the current date and time as a serial Julian date and time. Excel: NOW

http://www.codecogs.com/library/units/time/now.php

Converts a fractional part of a serial Julian date and time into hours, minutes and seconds.

http://www.codecogs.com/library/units/time/timehms.php

Returns the current hour from a serial Julian date and time. Excel: HOUR

http://www.codecogs.com/library/units/time/hour.php

Returns the natural logarithm of the gamma function of the sum of two numbers.

http://www.codecogs.com/library/maths/special/gamma/loggammasum.php

Return the depreciation for a specified period using the fixed-declining balance method. Excel: DDB

http://www.codecogs.com/library/finance/accounting/depreciation.php

Evaluate the future value of an investment using a schedule of interest rates.

http://www.codecogs.com/library/finance/banking/future_value_schedule.php

Return the bond-equivalent yield for a treasury bill. Excel: TBILLEQ

http://www.codecogs.com/library/finance/banking/billbondequiv.php

Return the net present value of an investment.

http://www.codecogs.com/library/finance/accounting/npv.php

Return the depreciation for each accounting period. Excel: AMORDEGRC

http://www.codecogs.com/library/finance/accounting/deprecproratedm.php

Calculate the sum-of-years depreciation of an asset. Excel: SYD

http://www.codecogs.com/library/finance/accounting/deprecsumofyears.php

Calculate net present value for a series of non-periodic cash flows. Excel: XNPV

http://www.codecogs.com/library/finance/accounting/xnpv.php

Return the depreciation for a specified period using the fixed-declining balance method. Excel: DB

http://www.codecogs.com/library/finance/accounting/deprecfixeddec.php

Compute the number of coupons payable between settlement and maturity. Excel: COUPNUM

http://www.codecogs.com/library/finance/banking/couponnumber.php

Return the depreciation for each accounting period. Excel: AMORLINC

http://www.codecogs.com/library/finance/accounting/deprecprorated.php

Computes the Ulam metric distance of two permutations.

http://www.codecogs.com/library/maths/combinatorics/permutations/ulam_distance.php

Calculates the pentagonal number of the given order.

http://www.codecogs.com/library/maths/combinatorics/sequences/pentagonal_number.php

Returns the permutation of the given rank, as generated by the Permutation Class 2 component.

http://www.codecogs.com/library/maths/combinatorics/permutations/unrank.php

Reports the unused items in a partial permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/unused_items.php

Calculates the Morse-Thue number of the given order.

http://www.codecogs.com/library/maths/combinatorics/sequences/morse_thue_number.php

Returns the number of alternating sign matrices of the given order.

http://www.codecogs.com/library/maths/combinatorics/sequences/asm_number.php

Natural Logarithm of Gamma function

http://www.codecogs.com/library/maths/special/gamma/log_gamma_stirling.php

Returns the cube root of the argument, which may be negative.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/cube_root.php

Evaluates the natural logarithm of a number + 1.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/ln_add1.php

Finds the longest ascending subsequence of a permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/ascending_subsequence.php

Calculates the sign of the given permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/sign.php

Calculates the number of derangements of e n objects.

http://www.codecogs.com/library/maths/combinatorics/sequences/derangements_number.php

Computes the partition generated by the given permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/partition.php

Returns the binomial coefficient using the factorial function.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/binomial_coefficient.php

Calculates the natural logarithm of the Gamma function with argument e x.

http://www.codecogs.com/library/maths/special/gamma/log_gamma.php

The regularized upper incomplete Gamma integral

http://www.codecogs.com/library/maths/special/gamma/gamma_upper_reg.php

Verifies if a given permutation is a derangement.

http://www.codecogs.com/library/maths/combinatorics/permutations/derangement_check.php

A Sterling series approximation of the gamma function.

http://www.codecogs.com/library/maths/special/gamma/gamma_simple.php

Evaluation of the function x - ln(1 + x)

http://www.codecogs.com/library/maths/combinatorics/arithmetic/xsub_ln_add1.php

Checks whether an array represents a permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/check.php

Calculates the Young tableau number of the given order.

http://www.codecogs.com/library/maths/combinatorics/sequences/young_number.php

Counts the number of breaks in a permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/breaks.php

Exponentiates a number and subtracts 1.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/exp_sub1.php

Counts the number of cycles in a permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/cycles.php

A Stirling series approximation of the gamma function.

http://www.codecogs.com/library/maths/special/gamma/loggamma_simple.php

Returns the number of derangements of 0 through e n objects.

http://www.codecogs.com/library/maths/combinatorics/sequences/derangements_list.php

Calculates the multinomial coefficient with the given arguments.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/multinomial_gamma.php

Confluent hypergeometric function

http://www.codecogs.com/library/maths/special/hypergeometric/hypergeo.php

Calculates the multinomial coefficient with the given arguments.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/multinomial.php

Returns a date formatted according to a given format string.

http://www.codecogs.com/library/units/date/date_str.php

Computes the binomial coefficient with the given arguments.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/binomial_coefficient_gamma.php

Computes the product of two permutations.

http://www.codecogs.com/library/maths/combinatorics/permutations/multiplication.php

Computes the inversion sequence of a permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/inversion_sequence.php

Calculates the falling factorial with arguments e x and e n.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/falling_factorial.php

Asymptotic formula for hypergeometric function 1f1a

http://www.codecogs.com/library/maths/special/hypergeometric/hypergeo_1f1a.php

Computes the exponential of a squared argument.

http://www.codecogs.com/library/maths/combinatorics/arithmetic/expx2.php

Power series summation for confluent hypergeometric function 1f1p.

http://www.codecogs.com/library/maths/special/hypergeometric/hypergeo_1f1p.php

Computes the row of the given order in Catalan's triangle.

http://www.codecogs.com/library/maths/combinatorics/sequences/catalan_triangle_row.php

Ascending power series approximation of Bessel function of the first kind.

http://www.codecogs.com/library/maths/special/bessel/j/j_series.php

Calculates the inverse of the given permutation.

http://www.codecogs.com/library/maths/combinatorics/permutations/inverse_large.php

BesselJ order reduction through backward recurrence.

http://www.codecogs.com/library/maths/special/bessel/j/j_recurrence.php

Hypergeometric function 2f0.

http://www.codecogs.com/library/maths/special/hypergeometric/hypergeo_2f0.php

Confluent hypergeometric function 1f2.

http://www.codecogs.com/library/maths/special/hypergeometric/hypergeo_1f2.php

Modified Bessel function of the first kind, with order one and exponential scaling.

http://www.codecogs.com/library/maths/special/bessel/i/i1.php

Asymptotic expansion of bessel J for transition region

http://www.codecogs.com/library/maths/special/bessel/j/j_nt.php

Modified Bessel function of the first kind, with order zero and exponential scaling.

http://www.codecogs.com/library/maths/special/bessel/i/i0.php

Computes the row of order e n in the Euler triangle.

http://www.codecogs.com/library/maths/combinatorics/sequences/euler_triangle_row.php

Modified Bessel function of the first kind of integer order.

http://www.codecogs.com/library/maths/special/bessel/i/i.php

Hypergeometric function 3f0.

http://www.codecogs.com/library/maths/special/hypergeometric/hypergeo_3f0.php