List of numerical analysis software
Listed here are a number of computer programs used for performing numerical calculations:
- APL (programming language) is a language designed for array manipulation that is used for a wide variety of scientific, engineering, and actuarial analysis.
- acslX is a software application for modeling and evaluating the performance of continuous systems described by time-dependent, nonlinear differential equations.
- Baudline is a time-frequency browser for numerical signals analysis and scientific visualization.
- COMSOL Script for numerical computations and interactive partial differential equation solving with the finite element method; uses MATLAB-compatible syntax. Optionally connects to COMSOL Multiphysics.
- DADiSP is a commercial program focused on DSP that combines the numerical capability of MATLAB with a spreadsheet like interface.
- Euler (software) EULER is a powerful numerical laboratory with a programming language that can handle real, complex and interval numbers, vectors and matrices. It can produce 2D/3D plots.
- Expensive Desk Calculator (historical), written for the TX-0 and PDP-1 in the late 1950s or early 1960s.
- FlexPro is a commercial program for interactive and automated analysis and presentation of mainly measurement data. It supports many binary instrument data formats and has its own vectorized programming language.
- Frink, a programming language and calculating tool which tracks units of measure through all calculations.
- FreeMat, an open-source MATLAB-like environment with a GPL license.
- GAUSS, a matrix programming language for mathematics and statistics.
- GNU data language, a free compiler designed as a drop-in replacement for IDL.
- GNU Octave can generally run scripts written for recent versions of MATLAB; has an active user community. (free software, GNU GPL license).
- GNU Scientific Library, a popular, free numerical analysis library for C and C++.
- GNU Multi-Precision Library is a library for doing arbitrary precision arithmetic.
- IDL programming language, a commercial interpreted language based on FORTRAN with some vectorization.  Widely used in the solar physics, atmospheric sciences and medical communities.  The GNU data language is a free alternative.
- IGOR Pro, a software package with emphasis on time series, image analysis, and curve fitting. It comes with its own programming language and can be used interactively.
- ILNumerics.Net typesafe numerical array classes and functions for general math and linear algebra, aims .NET/mono, script-like syntax in C#, 2D & 3D plot controls
- IML++ is a C++ library for solving linear systems of equations, capable of dealing with dense, sparse, and distributed matrices.
- IMSL Numerical Libraries are libraries of numerical analysis functionality implemented in standard programming languages like C, Java, C# .NET, and Fortran.
- IMTEK Mathematica Supplement is an open source (GNU GPL license) collection of tutorials and packages for numerical calculations.
- IT++ is a C++ library for linear algebra (matrices and vectors), signal processing and communications. Functionality similar to MATLAB and Octave.
- JAMA, a numerical linear algebra toolkit for the Java programming language
- JScience, an open-source (multiple licenses) Java API for performing numerical calculations and data storage among other things.
- LabVIEW offers both textual and graphical programming approaches to numerical analysis. Its text-based programming language MathScript utilizes .m file script syntax providing some compatibility with MATLAB, COMSOL Script, FreeMat, GNU Octave, O-Matrix, Rlab, Scilab, and Sysquake.
- LAPACK++, a C++ wrapper library for LAPACK and BLAS
- Lush is an object-oriented programming language based on  LISP for large-scale numerical and graphic applications
- Macsyma, a general-purpose computer algebra system, which has a free GPL-licensed version called Maxima.
- Maple, a general-purpose commercial mathematics software package.
- Mathcad offers a WYSIWYG interface and the ability to generate publication-quality mathematical equations.
- Mathemagix, is an open source (GNU GPL license) general-purpose  mathematics software package.
- Mathematica offers numerical evaluation, optimization and visualization of a very wide range of numerical functions. It also includes a programming language and computer algebra capabilities.
- MATLAB is a widely used program for performing numerical calculations.  It comes with its own programming language, in which numerical algorithms can be implemented.  Several programs use a similar syntax: COMSOL Script, FreeMat, GNU Octave, LabVIEW (in MathScript blocks), O-Matrix, Rlab, Scilab, and Sysquake.
- MCSim a Monte Carlo simulation tool.
- NA WorkSheet is a collective aggregation of algorithms coded in Java that implements various Numerical Analysis solutions/techniques in one easy to use opensource tool.
- NCAR Command Language is an interpreted language designed specifically for scientific data analysis and visualization.
- numberGo Publisher is a data analysis tool that lets you pivot and chart data, and save it as a portable document.
- O-Matrix
- Origin, a software package that is widely used for making scientific graphs. It comes with its own C/C++ compiler that conforms quite closely to ANSI standard.
- The Ox programming language is a proprietary programming language with a mathematical and statistical function library.
- Pardiso is a solver for large sparse linear systems on shared memory multiprocessors.
- PAW is a free data analysis package developed at CERN.
- Perl Data Language, also known as PDL, an array extension to Perl ver.5, used for data manipulation, statistics, numerical simulation and visualization.
- Portable, Extensible Toolkit for Scientific Computation (PETSc), is a suite of data structures and routines for the scalable (parallel) solution of scientific applications modeled by partial differential equations.
- PSPP, an application for statistical analysis.
- Python programming language:
NumPy, a library that adds support for the manipulation of large, multi-dimensional arrays and matrices; it also includes a large collection of high-level mathematical functions
SciPy, a library of scientific tools, package includes NumPy
ScientificPython, a library with a different set of scientific tools
matplotlib, a MATLAB-like plotting library.
PyNGL is used to analyze and visualize scientific data, with an emphasis on high quality 2D visualizations.
SAGE is a distribution of OS math software, with an unified Python interface which is available as a text interface or a graphical web-based one. Includes interfaces for Open Source and proprietary general purpose CAS, and other numerical analysis programs, like PARI/GP, GAP, gnuplot, Magma, and Maple.
- NumPy, a library that adds support for the manipulation of large, multi-dimensional arrays and matrices; it also includes a large collection of high-level mathematical functions
- SciPy, a library of scientific tools, package includes NumPy
- ScientificPython, a library with a different set of scientific tools
- matplotlib, a MATLAB-like plotting library.
- PyNGL is used to analyze and visualize scientific data, with an emphasis on high quality 2D visualizations.
- SAGE is a distribution of OS math software, with an unified Python interface which is available as a text interface or a graphical web-based one. Includes interfaces for Open Source and proprietary general purpose CAS, and other numerical analysis programs, like PARI/GP, GAP, gnuplot, Magma, and Maple.
- R is a widely used system with a focus on data manipulation and statistics which implements the S language.  Many add-on packages are available (free software, GNU GPL license).
- Rlab is another free software program which bears a strong resemblance to MATLAB. Rlab development ceased for several years but it was revived as RlabPlus.
- ROOT is a free object oriented multipurpose data analysis package, developed at CERN.
- S-Lang is an (array-based) programming language with strong numerical support.
- SALOME is a free software that provides a generic platform for pre- and post-processing for numerical simulation.
- Scilab is similar to MATLAB and Octave. Distributed with source (under their own license, which is not approved by the Open Source Initiative).
- Shogun, an open source Large Scale Machine Learning toolbox that provides several SVM implementations (like libSVM, SVMlight) under a common framework and interfaces to Octave, Matlab, Python, R
- Sollya, a tool environment for safe floating-point code development. It is particularly targeted to the automatized implementation of mathematical floating-point libraries.
- Sysquake is a computing environment with interactive graphics for mathematics, physics and engineering. Like other applications from Calerga, it is based on a MATLAB-compatible language.
- Trilinos, an effort to develop scalable (parallel) solver algorithms and libraries within an object-oriented software framework for the solution of large-scale, complex multi-physics engineering and scientific applications. A unique design feature of Trilinos is its focus on packages.
- TK Solver  Built-in interative solver and extensive library of standard numerical methods.
- Weka is a suite of machine learning software written at the University of Waikato.
- XNUMBERS  Multi Precision Floating Point Computing and Numerical Methods for EXCEL.
- Yorick is an interpreted programming language designed for numerics, graph plotting and simulation.
CC4 is version 4 of the Calculus Calculator. CC4 includes matrices and infinite precision arithmetic. It is DOS-based but quite an impressive tool. It was developed in the Department of Mathematics at San Francisco State University.