Apps similar to Google Calculator include SpeedCrunch, which is free and open source. Other options are Qalculate!, Fossify Calculator, CalcYou and OpenCalc. You're spoiled for choice with Calculators like Google Calculator: we list more than 100 alternatives for Android, Windows, the web, Mac and iPhone.
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.
Germany
EU
Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.
PolandEU
Ever wanted to work something out, but your default calculator isn't powerful enough, and it's not worth creating a spreadsheet for?
A graphical scientific calculator that is easy to use and has some advanced functionality such as vector arithmetic and variable solving.
CalcTastic Scientific Calculator is a high-precision, feature-rich scientific calculator with years of refinement and thousands of satisfied users. Choose from 5 different themes, a configurable display and your choice of operation, Algebraic or RPN.
Calcul.io offers realtime calculator with notepad like interface and advanced features like unit conversions, currency rates or date time math.
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).
A calculator with the basic functions and a customizable widget.
Israel
MATH 42 helps over 2.200.000 middle-school, high-school and college students, to solve their math problems and get better grades at the fraction of the cost of a private tutor. MATH 42 helps with (1) intelligent approaches to the solution, (2) step-by-step solutions of their...
GermanyEU
GermanyEU
UseTool combines converter and calculator in one app and lets you customize the interface by your own taste. We tried to pick for you the most frequently converted values such as temperature, length, area, power etc.
