Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Arbitrary-precision CRC calculator and algorithm finder
Programmable Calculator (IP functions, create user functions)
Command-line calculator and libray.
Mathematical expression parser and evaluator for .NET
RxCalc is a calculator for the analysis of multi-stage receiver.
LC2 is a software which gives you a idea of success percentage of your
An arithmetic calculator for the most popular numerical systems.