Third-party TI-84 Plus CE / TI-83 Premium CE emulator
A Forth compiler with a little difference
Free Zip software and Rar extractor
teemIP : Open source IPAM & DDI solution with CMDB integration.
Open-source C/C++ math engine for advanced scientific computing
Scientific/engineering firmware repurposing HP business calculators!
Financial Derivatives Calculator with 171+ Models (Options Calculator)
Do calculations, annotate it like you would on a paper "qwikly".
Electronic paper for computations and graphs
Programmable graphical scientific calculator
Minimal Calculator
Tiny date, time diff calculator
Calculates Shift Times
A simple molecular weight calculator
Simple RPN desktop calculator, implemented with wxWidgets and Lua.
RxCalc is a calculator for the analysis of multi-stage receiver.
Matrix Calculator for LinuX
A calculator to work with historical dates and calendars.
Calculates the transportation cost seasonality indexes