Similar to MATLAB

Wolfram Mathematica

Euler Mathematical Toolbox

EISPACK

FreeMat

S (programming language)

GNU Octave

R (programming language)

Scilab

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Hundredth

Twelfth root of two

Axiom (computer algebra system)

Ba space

Calculus on Manifolds (book)

D-module

ESPACE

FFTW

GNU Scientific Library

Grundzüge der Mengenlehre

Gδ set

IMSL Numerical Libraries

INTLAB

LAPACK

Lis (linear algebra library)