galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD).

NumberHub is described as 'Calculator, converter and so much more!' and is a Calculator in the education & reference category. There are more than 50 alternatives to NumberHub for a variety of platforms, including Android, Mac, Linux, Web-based and iPhone apps. The best NumberHub alternative is SpeedCrunch, which is both free and Open Source. Other great apps like NumberHub are Fossify Calculator, Qalculate!, OpenCalc and Calc You.
galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD).

PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a...








Introducing Best Loan Calculator, using methods trusted by financial professionals for years. It’s as easy to use as a regular calculator and helps with auto loans, mortgages, and other financing.




Android UI of the almighty Qalculate! 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).




Hissab is a simple and intuitive calculator, unit-convertor and productivity application.




A text calculator for natural language expressions, variables & unit conversions, with a vim-style TUI. Inspired by Numi.





Cuneo is a simple and straightforward app that lets you calculate and convert anything you might encounter in your daily life. Being designed like a widget, Cuneo gets out of the way and is best used floating over a maximized window so you can focus on your actual tasks and not...




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




Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.



A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.


