Calculator provides simple and advanced mathematical functions in a beautifully designed app.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Android
- Chrome OS
- Android Tablet
- Android Wear




Windows Calculator is described as 'A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems' and is a Calculator in the os & utilities category. There are more than 100 alternatives to Windows Calculator for a variety of platforms, including Windows, Android, Mac, Web-based and iPhone apps. The best Windows Calculator alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Windows Calculator are Qalculate!, OpenCalc, Calculator You and Numara Calculator.
Calculator provides simple and advanced mathematical functions in a beautifully designed app.




Open-source calculator app with Windows Calculator features including standard, scientific, and programmer modes, plus unit and currency conversions. Available for macOS, Linux, Android, iOS, and web, with an intuitive interface for both desktop and mobile devices.




Calculator++ is an advanced, modern and easy to use scientific calculator.




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




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




Qaltex is a tape-like calculator with straightforward interface and a lot of features. It is inspired by many other similar applications, but solves their disadvantages and at the same time it is empowered with some unique options and widgets.








OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly.




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.




Frink is a practical calculating tool and programming language designed to make physical calculations simple, to help ensure that answers come out right, and to make a tool that's really useful in the real world.






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.
