Command-line calculator and libray.
Calc: arbitrary precision C-like arithmetic & calculator
The birth of modern video feedback art.
generates nice period table from given data
Stress intensity factor (SIF) calculation from crack tip displacements
Interval Calculator for Engineer
error function and related functions in pure standard Fortran 2008
GCFP is an open-source tool for visualizing complex functions.
Complex error functions, Dawson, Faddeeva, and Voigt function