Precision Trigonometry: Advanced Calculator for Complex Math
Arbitrary-precision CRC calculator and algorithm finder
Scientific/engineering firmware repurposing HP business calculators!
Calc: arbitrary precision C-like arithmetic & calculator
an interactive "rolling paper" calculator
Command-line calculator and libray.
A powerful arbitrary-precision calculator.
Simple RPN desktop calculator, implemented with wxWidgets and Lua.
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
Soccer tournament predictions & simulations
Infix to Postfix Converter & Calculator
A free constants calculator
galculator is a scientific calculator in algebraic mode and RPN
Cool-down time calculator for multi-layers pipe
ISL Solid-Liquid Equilibrium Calculator