Multiprecision calculator
Open-source C/C++ math engine for advanced scientific computing
A powerful arbitrary-precision calculator.
Supports PEDMAS order of computation and Reverse Polish Notation Gener
Simple Java computer algebra calculator
Lightweight Qt-based Python console with variable explorer and history
A calculator to work with historical dates and calendars.
Simple calculator
Basic Scientific Calculator
Interval Calculator for Engineer
DUBCEN IS A FREE & OPEN SOURCE BROWSER BASED CALCULATOR AND CONVERTER
A Calculator to perform logical operations
Calculate various aspects of the Kontinuum RPG system.
Calculator that takes care of measurement units.
Calculator with fractions
Hand Written Equation Creator
a scientific calculator with error propagation
Java Calculator
A simple app to convert between temperatures.