A calculator for quick simple calculations with a nice user interface
C++ complex calculator with arrays, matrices, eigenvectors, functions
Error propagation calculator and library for physical measurements
Large-scale WebGL-powered geospatial data visualization analysis
Precision Trigonometry: Advanced Calculator for Complex Math
Supports PEDMAS order of computation and Reverse Polish Notation Gener
Implementations for the Revised Report language
Free software for mathematical and engineering calculations
Calc: arbitrary precision C-like arithmetic & calculator
engineering programmable calculator
Command-line calculator and libray.
an interactive "rolling paper" calculator
Complex quaternion calculator with Lorentz boosts and rotations
ForevalZ - compiler of mathematical expressions with complex numbers
Fast Win32 math & science tool
Foreval is parser & compiler of mathematical expressions
NARS2000: An Experimental APL Interpreter
RPNCalc - The command line Reverse Polish Notation (RPN) Calculator
A flexible mathematical expressions parser for JAVA, Android, C# .NET
PeCalc is a polyvalent engineering calculator for S&T students
A Free Experimental System for Image Processing
Javascript Geometric Algebra Generator for Javascript, c++