Apps similar to Sticky Calculator include SpeedCrunch, which is free and open source. Other options are Fossify Calculator, OpenCalc, CalcYou and NerdCalci. Calculators like Sticky Calculator are a crowded field, with more than 100 alternatives for Android, Windows, Mac, iPhone and Linux.
Frink is a practical calculating tool and programming language designed to make physical calculations simple, to help ensure that answers come out right, and to make a tool that's really useful in the real world.
XCALC is my little RPN calculator completely free to use, and still downloadable. XCALC is now a DEAD project. No work has been done on this project since 2012, and nothing more will be done either.
Multi Sum Calculator is a portable tool that calculates the sum of multiple values!
Power calculator for Android. Has Calculus, Algebra, 2D/3D Graphing and other features.
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.
Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed buttons.
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.
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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.
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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)
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!
