Composable transformations of Python+NumPy programs
Matlab toolbox for Geometry Processing
Program to generate permutations and combinations
y-cruncher is a program that can compute Pi and other constants
Calc: arbitrary precision C-like arithmetic & calculator
Fast integrator of stochastic partial differential equations
Interactive Program For Calculating Properties Of Symmetric Functions
fast C++ library for linear algebra & scientific computing
MathMod is a mathematical modeling software
System dynamics program with additional features for economics
Basic Maths for pre-school
Command-line operators for netCDF and HDF files
Python Calculator on Number Theory, three-birds-one learning material
Develop a user written Data Envelopment Analysis package in Stata.
SEQUOIA ocean data assimilation platform (a SIROCCO suite tool)
Arbitrary-precision CRC calculator and algorithm finder
Precision Trigonometry: Advanced Calculator for Complex Math
Dynamical systems research tool
Use simulation to perform statistical analyses.
Simulation of a two-channel Bell test, with closed-form proofs