Calculator provides simple and advanced mathematical functions in a beautifully designed app.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Android
- Chrome OS
- Android Tablet
- Android Wear




Qalculate! is described as 'Multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation)' and is a very popular Calculator in the education & reference category. There are more than 100 alternatives to Qalculate! for a variety of platforms, including Android, Windows, Mac, Web-based and iPhone apps. The best Qalculate! alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Qalculate! are OpenCalc, fxSolver, Soulver and Numbat.
Calculator provides simple and advanced mathematical functions in a beautifully designed app.




Calculator is an application that solves mathematical equations and is suitable as a default application in a GNOME Desktop environment.




Qaltex is a tape-like calculator with straightforward interface and a lot of features. It is inspired by many other similar applications, but solves their disadvantages and at the same time it is empowered with some unique options and widgets.




OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly.




NumWorks designed an intuitive and evolutive graphing calculator to make learning maths easier.




A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.

Giac/Xcas is a free computer algebra system for Windows, Mac OS X and Linux/Unix (license GPL3, for commercial dual-license contact us).

RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing. Looking for fractions? Degrees/minutes/seconds? Landscape mode? You need RealCalc Plus. See elsewhere on this page for the l.


Next generation notepad-based calculator, built with extendibility and privacy in mind. Works on Windows, macOS and Linux.




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.




Ad-free calculator offering basic and scientific computations, including exponents, roots, fractions, and more, with intuitive single-line input, up to 10 decimal precision, viewable and editable calculation history, customizable color themes, and no paid features.




Calcul.io offers realtime calculator with notepad like interface and advanced features like unit conversions, currency rates or date time math.

Google’s calculator is a joke. Especially since Andoid 12 is has become a toy for children, that is almost useless and featureless, and has fewer functions than a $1 throwaway calculator in the 90. (I checked!) To compare it to Qalculate, is, frankly, insulting.