Open Source OpenBSD Calculators

TRURL is a suite of desktop calculators with reverse Polish notation (RPN) written in Object Pascal. Additionally, it comes with a free reusable class library (RPN Engine) as a toolbox for creating your own calculator. TRURL is an acronym for "TRURL is a Reusable Universal RPN Library". Class Libraries: • RPN Engine: Full-featured calculation engine for Pascal-based RPN calculators • Segmitator: Library for virtual seven-segment displays Applications: • TRURL A: Simple demo app for the RPN Engine • TRURL B: RPN calculator in the design of the famous calculators by Dieter Rahms for Braun • TRURL G: Desktop RPN calculator inspired by the UI of the DSKY unit of the Apollo Guidance Computer (AGC)

Fast calculator is fast and simple calculator with many functions on java.

Phone Call Cost is a program that in the end, aims to be able to pull length of call time from a phone that displays such information and multiply it by a known rate (given to the program via the UI (or hard coded in by the end user)) and return the cost

Shapley is a compilation of free PyGTK networking tools distributed under the BSD license.

A command line calculator capable of complex arithmetics.

Tinger Calc is a powerful scientific calculator environment. It supports elementary math ( +, -, *, /, ^), trigonometric functions (sin, sinh, asin, cos, cosh, acos, tan, tanh, atan), exponential functions (exp, ln, lg, sqrt), math constants (pi, e), system functions (exit, quit, print). The software support email: tingersoft@gmail.com.