Open source note taking and to-do app with synchronization
Julia bindings to the FFTW library for fast Fourier transforms
A money and currency library for PHP
Visualization components
Numerical and Symbolic Math Tool
Qt Visual Graph Editor
Financial- Math Calculator
Perl Lib Math Notation
Resources to learn computer science in your spare time
Mathematical expression parser and evaluator for .NET
Finance library for C++
Library Finance Math for GCC (C++)
Provides useful mathematical tools which make your work much easier.
Tinger Calc is a powerful scientific calculator environment.
A C++ and Python library for finance, statistics and linear algebra.
An arithmetic calculator for the most popular numerical systems.
Python for calculators