361 Like Wolfram Alpha Good alternative? YES NO Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by... Freemium Web / Cloud Android iPhone iPad Kindle Fire
136 Like SpeedCrunch Good alternative? YES NO SpeedCrunch Portable is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list... Open Source Mac Windows Linux
30 Like Google Calculator Good alternative? YES NO Google’s calculator tries to understand the problem you are attempting to solve without requiring you to use special syntax. To use... Free Web / Cloud
34 Like Microsoft Mathematics Discontinued Alternative? YES NO Microsoft Mathematics is a desktop graphing calculator that can help you visualize and see mathematical concepts as you’ve never seen... Free Windows
13 Like Windows Calculator Good alternative? YES NO Windows Calculator, commonly known as Calculator from the application's title bar, is a calculation application included in all... Free Windows
28 Like RealCalc Scientific Calculator Alternative? YES NO RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and... Freemium Android
12 Like OpalCalc Good alternative? YES NO 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... Freemium Windows
13 Like CalcTape Good alternative? YES NO CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured.... Freemium Windows
12 Like Soulver Good alternative? YES NO Maths on a Mac as it should be. Soulver is a new kind of calculator application which uses a simple yet powerful word-processor style... Commercial Mac
23 Like Qalculate! Good alternative? YES NO Qalculate! is a multi-purpose desktop calculator for GNU/Linux. It is small and simple to use but with much power and versatility... Open Source Linux Xfce
3 Like Gnome calculator Good alternative? YES NO Calculator for the GNOME Desktop Environment, formerly known as gcalc (and gcalctool CLI). Open Source Linux GNOME
6 Like NaSC Good alternative? YES NO Its 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... Open Source Linux
14 Like GraphCalc Discontinued Good alternative? YES NO GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes... Open Source Windows Linux
9 Like SpeQ Mathematics Good alternative? YES NO SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there... Free Windows
5 Like galculator Good alternative? YES NO galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different... Open Source Linux BSD Xfce
4 Like Giac/Xcas Good alternative? YES NO Giac/Xcas is a free computer algebra system for Windows, Mac OS X and Linux/Unix (license GPL3, for commercial dual-license contact... Open Source Mac Windows Linux
22 Like handyCalc Good alternative? YES NO handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use. With almost all the... Free Android
3 Like XCALC Discontinued Good alternative? YES NO XCALC is my little RPN calculator completely free to use, and still downloadable. XCALC is now a DEAD project. No work has been done... Open Source Windows Linux
8 Like Calcbot Good alternative? YES NO Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in... Freemium Mac iPhone iPad Apple Watch
7 Like TTCalc Good alternative? YES NO TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse... Open Source Windows
7 Like Mathdroid Good alternative? YES NO A calculator for Android. Algebraic entry. Full on-screen history (multi-line display). Use your phone's keyboard or on-screen... Open Source Android
2 Like Calculator++ Good alternative? YES NO A multipurpose calculator app with slick and intuitive user interface. Access additional features from the main screen of the app... Open Source Android Android Tablet
2 Like Calculator Plus Good alternative? YES NO Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed... Free Android
8 Like HEXelon MAX Good alternative? YES NO HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3. Exchange rates table and currency... Free Windows
6 Like Numi Good alternative? YES NO Numi is a little program, that lives in your menu bar. It magically combine calculations with text, and allows you to share... Commercial Mac
4 Like Precise Calculator Good alternative? YES NO Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need.... Open Source Windows
6 Like Excalibur Good alternative? YES NO Excalibur for Windows 32-bit version is a freeware full featured RPN-only calculator. This is a serious calculator for serious users.... Free Windows
1 Like CCCalc Good alternative? YES NO CCCalc is a calculator with tape, you can correct any printed character with, and the tape recalculates everything itself. ... Free Windows
1 Like SimpleCalc Good alternative? YES NO A calculator written in C#.NET 3.5 that aims to be simple and usable. Future plans include functionality above and beyond that of the... Free Windows
4 Like ESBCalc Good alternative? YES NO ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric... Freemium Windows
1 Like Online Terminal Calculator Alternative? YES NO Online terminal based calculator, it is one of the most productive calculator in online, it uses terminal based approach instead of... Free Web / Cloud
7 Like Console Calculator Good alternative? YES NO Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical... Commercial Mac Windows
2 Like eCalc Scientific Calculator Alternative? YES NO An easy to use scientific calculator with many advanced features to help you solve algebra, trigonometry, and engineering math... Commercial Mac Windows
2 Like ECW Expression Calculator Alternative? YES NO ECW Expression Calculator is an advanced expression calculator with the following features: * display result as... Free Windows
2 Like Calculate Good alternative? YES NO A math expression calculator with persistent memory for variables and functions. Any JavaScript expression can be evaluated. -... Free Mac