Open-source C/C++ math engine for advanced scientific computing
Scientific/engineering firmware repurposing HP business calculators!
Engineering Calculator and Unit Converter
Calc: arbitrary precision C-like arithmetic & calculator
QxCalc, a scriptable calculator
Evaluate math expressions from command line or in interactive session.
Terminal calculator with differential error estimates
A scientific calculator written in Python
NMR Product Operator Calculator
A simple molecular weight calculator
Lightweight Qt-based Python console with variable explorer and history
Wavelength Calculator
Look up in river distances in the Penobscot River drainage.
Calculates the transportation cost seasonality indexes
Tinger Calc is a powerful scientific calculator environment.
Command line scientific calculator
A molecular weight calculator written in Visual Basic.
A functional HP-style command-line RPN scientific calculator
TaxRTip is a small program designed to help calculate taxes or tips.
python calculus library with imprecise and precise representations