Open Source Windows Calculator Alternatives
The best open source alternative to Windows Calculator is SpeedCrunch. If that doesn't suit you, our users have ranked more than 100 alternatives to Windows Calculator and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Windows Calculator are Qalculate!, Insect, OpenCalc and NaSC.
SpeedCrunch
Is this is a good alternative?YesNo- Free • Open Source
- Calculator
119 SpeedCrunch alternatives- Mac
- Windows
- Linux
- PortableApps.com
SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.
- - SpeedCrunch is the most popular Windows, Mac & Linux alternative to Windows Calculator.
- - SpeedCrunch is the most popular Open Source & free alternative to Windows Calculator.
SpeedCrunch Features
Comments about SpeedCrunch as a Alternative to Windows Calculator
It's a terminal based calculator. Features a good interface for inputting slightly longer calculations. Allows editing the input text if you make errors. Offline available, free, pleasing to the eye and customizable.
1Clean and lots of keybinds for speed.
0nickkiousisIt is clean, design can be configured, it does it's job as a calculator, it can be set to be always on top of other applications, it keeps history even after closing it. It is the best calculator I have ever used!
0It is simply, fast and functional, any problems with formulas. Good bye caculator of windows 10.
5It is like a good old copybook where you can write all formulas you need in "natural" way.
1Qalculate!
Is this is a good alternative?YesNo110 Qalculate! alternatives- Free • Open Source
- Calculator
- Mac
- Windows
- Linux
Qalculate! is a 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).
Qalculate! Features
Insect
Is this is a good alternative?YesNo- Free • Open Source
- Calculator
62 Insect alternatives- Mac
- Windows
- Linux
- Online
- Self-Hosted
High precision scientific calculator with full support for physical units (web and terminal versions).
- - Insect is the most popular Web-based & Self-Hosted alternative to Windows Calculator.
Insect Features
OpenCalc
Is this is a good alternative?YesNo58 OpenCalc alternatives- Free • Open Source
- Calculator
- Android
- Android Tablet
- F-Droid
A simple and beautiful calculator for Android.
OpenCalc Features
Comments about OpenCalc as a Alternative to Windows Calculator
Marcus HollowayThis runs on Android, not Windows. Therefore, it is not a viable option for Windows Calculator.
0Its an app where you do maths like a normal person. It lets you type whatever you want and smartly figures out what is math and spits out an answer on the right pane. Then you can plug those answers in to future equations and if that answer changes, so does the equations its...
Simple Calculator
Is this is a good alternative?YesNo85 Simple Calculator alternatives- Free • Open Source
- Calculator
- Android
- Android Tablet
- F-Droid
A calculator with the basic functions and a customizable widget.
Simple Calculator Features
GeoGebra Scientific Calculator
Is this is a good alternative?YesNo- Free • Open Source
- Calculator
118 GeoGebra Scientific Calculator alternatives- Online
- Android
- iPhone
- Android Tablet
- iPad
Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!
- - GeoGebra Scientific Calculator is the most popular iPhone & iPad alternative to Windows Calculator.
GeoGebra Scientific Calculator Features
GNOME Calculator
Is this is a good alternative?YesNo- Free • Open Source
- Calculator
57 GNOME Calculator alternatives- Linux
- Linux Mobile
- Flathub
- GNOME
- Flatpak
Calculator is an application that solves mathematical equations and is suitable as a default application in a GNOME Desktop environment.
GNOME Calculator Features
Comments about GNOME Calculator as a Alternative to Windows Calculator
It is well-maintained by many contributors.
-1Kalk Calculator
Is this is a good alternative?YesNo- Free • Open Source
- Calculator
116 Kalk Calculator alternatives- Linux
- KDE
- Linux Mobile
- Flathub
- Plasma Mobile
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.
Kalk Calculator Features
Giac/Xcas
Is this is a good alternative?YesNo41 Giac/Xcas alternatives- Free • Open Source
- Calculator
- Mac
- Windows
- Linux
Giac/Xcas is a free computer algebra system for Windows, Mac OS X and Linux/Unix (license GPL3, for commercial dual-license contact us).