Calc: arbitrary precision C-like arithmetic & calculator
RPNCalc - The command line Reverse Polish Notation (RPN) Calculator
Financial Derivatives Calculator with 171+ Models (Options Calculator)
Command-line calculator and libray.
Precision Trigonometry: Advanced Calculator for Complex Math
The Fourth Edition of STEMCalc and the biggest one yet!
A console command based application for calculating mortgage paybacks
Basic subnet calculator written in Python.
Powerful Calculus Environment and Matrices Handling Engine
An arithmetic calculator for the most popular numerical systems.