Google Calculator is described as 'Calculator provides simple and advanced mathematical functions in a beautifully designed app' and is a Calculator in the education & reference category. There are more than 100 alternatives to Google Calculator for a variety of platforms, including Android, Windows, Web-based, Mac and iPhone apps. The best Google Calculator alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Google Calculator are Qalculate!, Fossify Calculator, OpenCalc and yetCalc.
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
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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.
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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.
Calcul.io offers realtime calculator with notepad like interface and advanced features like unit conversions, currency rates or date time math.
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.
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...
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KCalc is the software calculator integrated with the KDE Software Compilation.
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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.
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).
