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Yet another video ripping calculator, which tries to take into account container format overheads as accurately as possible, for multiple audio and video codecs, and suggest optimum encoding resolutions, with correct aspect ratio calculations.
Calcgui is a graphical calculator written in Perl. It's very lightweight and works with Perl/Tk. It is able to calculate allmost any function with 1 variable and is also able to graph them.
Easter Calculator for Mobile Phone J2ME compliant. You can calculate the date for several years or you can verify if one date is an Easter holiday or not.
The Inc. Cybernations Calculator is the result of a year's worth of research and development by the Inc. team. Using this web-based calculator, users can get educated advice on how to grow their nation. Check the Wiki for installation instructions. Also
MiniCalc GUI is a calculator that supports user-defined functions and graphing.
It starts instantly and runs on both Windows and Linux.
It is easy to use for the average user, but also supports factorials, exponents, logs, and trig functions.
A simple CPU simulator whose goal is to make assembly learning easier. This goal is reached giving a simple calculator, called ENIAC, with a simple CPU, called vCPU. The vCPU's instructions are very simple and easy to understand.
Shellcalc (sc) is a lightweight and versatile reverse polish notation (RPN) calculator for the command-line. It implements access to the basic operations and many functions from the glibc math library.
It's intended to be used by high school students to keep their absence in school lessons under an acceptable limit (some of us have realy a great problem with that). It computes some statistics. I hope it will be useful :-)
Quicksolve is an interactive graphing calculator and programming language. It provides an intuitive interface for performing basic plots and calculations with a focus on numerical solutions. Versions will be available for both Gnome and Mac OS X.
The Internet Protocol Address Calculator is an open-source java-based tool. This calculator will assist network administrators to perform calculations over both IPv4 and IPv6 address space. A handy whois search client is also integrated into this tool.
This is a Reverse Polish Notation (RPN) Fraction Calculator. It works like any other RPN calculator, except that it operates on fractions instead of decimal numbers. Decimal number entries are not permitted. Whole numbers are permitted.
Gafix is a program, which communicates with a Casio CFX 9850 calculator. The programs can be transfered and received by this program. In addtion the editor converts between cat and raw files to make them read and editable by the user.
C# Website system. This is going to be the "Newer" Internet, and even has a custom theme system. This is going to let users do "anything" that won't harm the client computer in any way.
Fraction calculator. For now only in text mode, but finally I plane making a GUI for Linux & other platforms. Finally all calculator's code will be accessible for both Linux/Unix architectures.
A Roman Numeral Calculator. Ratio Mercatoris (formerly Ratiocinator) is a calculator program using Roman Numerals. Also, has built-in Financial and Scientific (Ancient Rome) functions.
SolCalc is a free Java based scientific calculator that can run as a swing/awt application or as an applet on any servlet container. The package contains the full java source codes. SolCalc is also platform independent, hence it can run on Windows, Linux
Calx is a calculator program based on RPN (Reverse-Polish Notation) that allows you to compute complex mathematical expressions containing brackets, mathematical functions etc.
RPGCalc is a calculation engine designed to allow user/developers to model RPG systems and create tools like GM assistants and character generator. Using Scheme for math and XML+Xpath for data and structure any system can be modeled.
Vet Calc is a simple calculator for the .Net/Portable.NET platform currently using Windows.Forms, It is developed in C# using SharpDevelop. It aims to provide features specific for veterinary clinics.