Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Free Zip software and Rar extractor
A files hash calculator for Windows and macOS.
Precision Trigonometry: Advanced Calculator for Complex Math
A graphing calculator that's both powerful and easy to use.
End User Tools for Windows.
Convert Banking CSV-Files to MT940 format for Input in GNUCASH
ASCII SpaceInvaders, Pacman, Frogger, + 10 puzzles
User-Code Utility for HP-41 Calculator
income Calculator -- daily income tracker tool
A scriptable calculator
RPNCalc - The command line Reverse Polish Notation (RPN) Calculator
Calculator++
Calculates a suitable sized frame for mounting your photos
Stack usage calculator
Simple program to confirm given hashes of a file.
HPhysis is physics calculator to sloved physics problems