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!

TechniCalc is described as 'A smart calculator for a smart phone' and is a Calculator in the education & reference category. There are more than 50 alternatives to TechniCalc for a variety of platforms, including Windows, Android, Web-based, Mac and iPhone apps. The best TechniCalc alternative is SpeedCrunch, which is both free and Open Source. Other great apps like TechniCalc are Qalculate!, fxSolver, Numbat and Numi.
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!

Chalk is a calculator that tries to do right what others do wrong. It wants to prove that a "basic" software calculator can be as handy as a real desktop calculator.


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.
And this c.


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.




Scalar is a powerful math engine and scripting language, that combines the simplicity of standard tools with the flexibility of scripting. It is much more than a calculator. Thanks to Scalar, defining arguments and functions has never been easier.












Mi Calculator will do the math for you. Regular, scientific, and mortgage calculators, as well as currency and unit converters are all here in one place.



GlassCalc is a free, Windows calculator designed for quick input via keyboard. It forgoes the usual array of buttons for a single textbox where you can type an equation or mathematical expression, hit Enter, and get a result.



