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.
Getcalc Alternatives
Getcalc is described as 'Com is a simple, intuitive & robust Online Calculators & Converters Application to perform simple to more complex math, science, finance, engineering calculations & measurement units conversion on the go, to increase productivity' and is a Calculator in the education & reference category. There are more than 50 alternatives to Getcalc, not only websites but also apps for a variety of platforms, including Windows, Android, Mac, iPhone and iPad apps. The best Getcalc alternative is Wolfram Alpha, which is free. Other great sites and apps similar to Getcalc are SpeedCrunch, Qalculate!, fxSolver and Numbat.
Alternatives list
ECW Expression Calculator is an advanced expression calculator with the following features:
Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed buttons.
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.
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)
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!
UseTool combines converter and calculator in one app and lets you customize the interface by your own taste. We tried to pick for you the most frequently converted values such as temperature, length, area, power etc.
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Multi Share Calculator is a portable tool that allows anything to be shared proportionally!
Real Time Calculator is a practical browser calculator that outputs results in real time!
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.
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...
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