

kalker is described as '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' and is a Calculator in the education & reference category. There are more than 25 alternatives to kalker for a variety of platforms, including Windows, Android, iPhone, Linux and Mac apps. The best kalker alternative is Wolfram Alpha, which is free. Other great apps like kalker are SpeedCrunch, Qalculate!, Numbat and Numara Calculator.


RJ Calculator is a scientific calculator with most basic functions like trigonometric functions, logarithms and base conversion. Also, statistic calculations like standard deviation and regression.

Easy to use scientific and graphing calculator with no ads! Advanced feature like finding zeros and intersections, as well as trigonometric functions!




Test Cal is a brand new calculator app designed specially for youngsters. You can use this app for your mathematical problems. Its special feature is its simplicity of organized features like using of sum or divide with single touch.




It's a cloned version of the Apple calculator with Jetpack Compose, but with more attractive graphics, history for calculations, and dark and light theme support.



Liri Calculator is a cross-platform, Material Design calculator, currently in alpha stage.






Plus42 is an advanced scientific programmable calculator, based on Free42. Free42, in turn, is a complete re-implementation of the HP-42S scientific programmable RPN calculator, which was made from 1988 until 1995 by Hewlett-Packard.



FP Calculator is a calculator app for iPad&iPhone, which includes basic calculations, scientific calculations, and currency conversion functions.




7Calc is an programmer's expression calculator. It is the spiritual successor to the original 'supercalc'. 7Calc is designed as a Windows 7 Desktop Gadget, and is written in Javascript/HTML.
