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, Mac, Windows, 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, Soulver, fxSolver and Numbat.
Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need. It can calculate with real numbers, complex numbers, fractions, vectors, matrices. Commands if, goto and print can be used to create scripts.
Czechia
EU
Calculator with percentages, powers and functions. History with comments that is synced across all your devices. Cursor for editing anywhere. Simple interface with dark and light themes.
United States
Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop.
GermanyEU
Solve definite and indefinite integrals with ease using our free online calculator. Calculate double and triple integrals and get step by step explanation for each solution.
GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to derivatives. GraphCalc combines all the features of a professional mathematics package with the simplicity of an...
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.
United States
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).
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).
GermanyEU
Cent is a simple utility to calculate percentages on your Mac.
Brazil
A powerful, scriptable, modular calculator aimed at scientific, engineering or computing work. All features can be added, removed, and customised, and new features can be written in python.
United States
