Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Arbitrary-precision CRC calculator and algorithm finder
Desktop Calculator for Linux using Kulina Graphics
End User Tools for Windows.
RxCalc is a calculator for the analysis of multi-stage receiver.
Angry calculator is a calculator java
Binary Conversion Calculator
A Simple Calculator using QT
A simple calculator.
A Pi calculator for Windows.
Science simulator and advanced calculator based on modules
Network Calculation Tool