Arbitrary-precision CRC calculator and algorithm finder
Calculates income tax form entries, helps do your taxes.
A friendly Forth compiler with a little difference
Scientific/engineering firmware repurposing HP business calculators!
A powerful arbitrary-precision calculator.
A files hash calculator for Windows and macOS.
Open-source C/C++ math engine for advanced scientific computing
Simple Calendar with extras
Calc: arbitrary precision C-like arithmetic & calculator
QxCalc, a scriptable calculator
Command-line calculator and libray.
Byte CALculator for storage conversions and calculations
Financial Derivatives Calculator with 171+ Models (Options Calculator)
Simple RPN desktop calculator, implemented with wxWidgets and Lua.
command line calculator for large numbers
Hackings on calculators.
A simple calculator for complex number calculation.
TI graphing calculators <-> computer communication software
ultimative units calculation and conversion tool and library
Calculate primes by using extremely fast sorting