Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit groupings, this free calculator software is a simple and intuitive tool.




RPN Calculator is described as 'Another RPN (Reverse Polish) calculator' and is a Calculator in the education & reference category. There are more than 50 alternatives to RPN Calculator for a variety of platforms, including Windows, Android, Mac, Linux and Web-based apps. The best RPN Calculator alternative is SpeedCrunch, which is both free and Open Source. Other great apps like RPN Calculator are Qalculate!, OpenCalc, fxSolver and Numbat.
Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit groupings, this free calculator software is a simple and intuitive tool.




Excalibur for Windows 32-bit version is a freeware full featured RPN-only calculator. This is a serious calculator for serious users. Excalibur takes up a small amount of resources for all it does so well.

With AYBO you can perform any kind of calculations, unit conversions, currency conversions, check the weather, set timers, plot graphs, solve simple equations.







About A Basic Scientific Calculator Beautifully designed basic scientific calculator with support for percent operation, engineering exponent key, memory functions, and more.
In addition to the widget calculator, a scientific mode is included that links to eCalc’s advanced onlin.

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.


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

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.


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!

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

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...
MultiCalc is fully cross-platform, powerful, modern, multifunctional calculator made for everyone.



