Open-source C/C++ math engine for advanced scientific computing
PYramid is a usefull tool for programers.
My own project
Easy Calculator Programs with different Versions by Dheeraj
A simple calculator I made in python in 10 minutes.
A simple program that takes diameter and outputs circumference.
Graphing Calculator made in Python
Simple Calculator
dAnalytics is a software made for education in discriminant analysis.
A Python calculator program