EBTCalc is a Reverse Polish Notation (RPN) calculator that can have custom buttons. Custom buttons are programmed in Javascript with a convenient editor. EBTCalc runs on Windows 10, OSX, and Linux as well as Android. EBTCalc is open source.


Omni Calculator is described as 'Web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget' and is a Calculator in the education & reference category. There are more than 100 alternatives to Omni Calculator for a variety of platforms, including Android, Windows, Web-based, iPhone and Mac apps. The best Omni Calculator alternative is Wolfram Alpha, which is free. Other great apps like Omni Calculator are SpeedCrunch, Fossify Calculator, Qalculate! and OpenCalc.
EBTCalc is a Reverse Polish Notation (RPN) calculator that can have custom buttons. Custom buttons are programmed in Javascript with a convenient editor. EBTCalc runs on Windows 10, OSX, and Linux as well as Android. EBTCalc is open source.


A calculator written in C#.NET 3.5 that aims to be simple and usable. Future plans include functionality above and beyond that of the standard windows calculator. (Requires the .NET 3.5 framework)



CCCalc is a calculator with tape, you can correct any printed character with, and the tape recalculates everything itself.

MYCalc2 is a powerful RPN programmable scientific/financial/statistical/Currency convertor calculator with units conversion, 2D functions study and multiple Skins. The program allows you to build statistical distribution graphs and calculate the values of their characteristics...




Real Time Calculator is a practical browser calculator that outputs results in real time!

Multi Share Calculator is a portable tool that allows anything to be shared proportionally!

Rule of 3 Calculator is a portable tool that allows you to apply the mathematical Rule of Three in an easier, faster and more practical way!

Pocket PC calculator for scientific and engineering purposes. This calculator is very bright and easy to use, supports more than 50 functions. The Engineering Calculator has been nominated as the Best Pocket PC Software by Pocket.at in the EUROPE POCKET PC AWARD 2002.
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A modern, scientific calculator that is easy to use. While other calculators display only one number at a time, this one shows you the whole expression you are inputting, leading to a much more user friendly experience.



Calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion, and more. It also comes with a lockscreen widget, a floating calculator, and a wear app so you can use...
Calculator software try too hard to imitate the real thing. They end up big and clunky and their limitations are carried on. Kalq is a user experience experiment to discover an elegant solution to everyday calculations.

Complete calculus tools, easy to use and full of functions. Oficalc is, basically, a scientific calculator that may help you with mathematical calculus and that incorporates other tools to send to the highest resolution of advanced operations.



