The behavioral model of the old Soviet calculator EPOS-73
You can Calculate CGPA and GPA
C++ Calculator with easy and function divided code!
Grepolis utility
zsbc is a bc-language calculator working with libgmp
Body Mass Index (BMI) and Other Indexes Calculator with Classification
A Calculator to perform logical operations
It preforms simple calculation.
A Java API for measuring OWL ontologies
Basic subnet calculator written in Python.
Easy to use calculator
Graphing Calculator made in Python
Programmable Calculator (IP functions, create user functions)
Powerful Calculus Environment and Matrices Handling Engine
Java 7 based food needs calculator using Google Web Toolkit and HTML5
Relativistic two-body kinematics calculator for nuclear reaction
RCL, a simulator for Texas Instrument calculators from the 70's.
Simple Calculator
Simple resistor calculator
A free constants calculator
A basic calculator with features for people with visual impairments