# Software for Statistics and Math

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G*Power

It says: G*Power is a tool to compute statistical power analyses for many different t tests, F tests, χ2 tests, z tests and some exact tests. G*Power can also be used to compute effect sizes and to display graphically the results of power analyses.

__License:__ Free

http://www.gpower.hhu.de

GraphPad Prism

It says: GraphPad Prism combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization.

__License:__ Commercial, free Trial

http://www.graphpad.com/scientific-software/prism/

GraphSketcher

For plotting and visualizing all kinds of data in many different ways.

__License:__ Freeware, Source code available

http://www.omnigroup.com/blog/setting-omnigraphsketcher-free

IGOR Pro

It says: IGOR Pro is an extraordinarily powerful and extensible scientific graphing, data analysis, image processing and programming software tool for scientists and engineers.

__License:__ Commercial, free Trial

http://www.wavemetrics.com

Mathematica

Wikipedia: Mathematica is a computational software program used in many scientific, engineering, mathematical and computing fields, based on symbolic mathematics.

__License:__ Commercial, free Trial

http://www.wolfram.com

Maple

Symbolic algebra and data analysis.

__License:__ Commercial, free Trial

http://www.maplesoft.com

MATLAB

Wikipedia: MATLAB (matrix laboratory) is a multi-paradigm numerical computing environment and fourth-generation programming language.

__License:__ Commercial, free Trial

http://www.mathworks.com

Octave

It says: GNU Octave is a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments. It also provides extensive graphics capabilities for data visualization and manipulation.

__License:__ Freeware

http://www.octave.org

Orange

It says: Open source data visualization and analysis for novice and experts. Data mining through visual programming or Python scripting. Components for machine learning. Add-ons for bioinformatics and text mining. Packed with features for data analytics.

__License:__ Freeware

http://orange.biolab.si

Plot2

It says: A scientific 2D plotting program for OS X.

__License:__ Freeware

http://plot.micw.eu

R

It says: R is a free software environment for statistical computing and graphics.

__License:__ Freeware

http://www.r-project.org

Scilab

It says: Open source software for numerical computation.

__License:__ Freeware, Source code available

http://www.scilab.org