126 Like SpeedCrunch 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 Good alternative? YES NO
27 Like Google Calculator 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 Good alternative? YES NO
27 Like RealCalc Scientific Calculator RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and... Freemium Android Good alternative? YES NO
23 Like Convertbot Convertbot is a unit conversion robot. Convert currency, length, mass, time and much more in an exciting new way! Converting numbers... Commercial iPhone Good alternative? YES NO
22 Like Qalculate! 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 Good alternative? YES NO
21 Like handyCalc handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use. With almost all the... Free Android Good alternative? YES NO
10 Like Soulver 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 Good alternative? YES NO
9 Like Windows Calculator Windows Calculator, commonly known as Calculator from the application's title bar, is a calculation application included in all... Free Windows Good alternative? YES NO
7 Like CalcTape CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured.... Freemium Windows Good alternative? YES NO
9 Like SpeQ Mathematics SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there... Free Windows Good alternative? YES NO
7 Like Calcbot 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 Good alternative? YES NO
9 Like Calculator The built in Calculator on the iPhone. Calculator is two calculators in one: rotate it to landscape to transform it from basic to... Free iPhone iPad Good alternative? YES NO
7 Like Mathdroid A calculator for Android. Algebraic entry. Full on-screen history (multi-line display). Use your phone's keyboard or on-screen... Open Source Android Good alternative? YES NO
7 Like Console Calculator Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical... Commercial Mac Windows Good alternative? YES NO
8 Like HEXelon MAX HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3. Exchange rates table and currency... Free Windows Good alternative? YES NO
6 Like NaSC 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 Good alternative? YES NO
6 Like TTCalc TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse... Open Source Windows Good alternative? YES NO
4 Like ESBCalc ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric... Freemium Windows Good alternative? YES NO
4 Like Precise Calculator Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need.... Open Source Windows Good alternative? YES NO
3 Like galculator 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 Good alternative? YES NO
6 Like Excalibur Excalibur for Windows 32-bit version is a freeware full featured RPN-only calculator. This is a serious calculator for serious users.... Free Windows Good alternative? YES NO
9 Like Numeric Notes Numeric Notes – is not just a totally new way to count, but also possibility to keep and share calculations on your Mac. ... Commercial Mac Good alternative? YES NO
2 Like CALCU CALCU is a simple, yet beautiful and powerful calculator. Customize the keypad as your need, change theme as your taste, CALCU is the... Freemium Android Good alternative? YES NO
3 Like Moffsoft FreeCalc Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit... Freemium Windows Good alternative? YES NO
2 Like ECW Expression Calculator ECW Expression Calculator is an advanced expression calculator with the following features: * display result as... Free Windows Good alternative? YES NO
2 Like Calculator Plus Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed... Free Android Good alternative? YES NO
4 Like Real-Time Currency Converter CURRENCY EXCHANGE CONVERTER App will help you to find the value of any country's currency and compare it to the currencies of... Free Android Good alternative? YES NO
2 Like Calc98 Calc98 is a small but very powerful scientific calculator, with lots of features: Version 5.3 (totally free) # RPN # Base-n... Free Windows Windows Mobile Good alternative? YES NO
5 Like Arithmate Pro Calculator A modern, scientific calculator that is easy to use. While other calculators display only one number at a time, this one shows you the... Commercial Android Good alternative? YES NO
3 Like Reor Reor is a powerful calculator blended into perfection with a winsome interface. Reor is freeware, licensed under GNU General Public... Free Personal Windows Good alternative? YES NO
2 Like A Basic Scientific Calculator About A Basic Scientific Calculator Beautifully designed basic scientific calculator with support for percent operation, engineering... Commercial Mac Good alternative? YES NO
2 Like Engineering Calculator Pocket PC calculator for scientific and engineering purposes. This calculator is very bright and easy to use, supports more than 50... Free Personal Windows Mobile Good alternative? YES NO
2 Like Abacus Abacus is a calculator for Windows and Linux that calculates while you type. It was released as free software in March 2011. Open Source Windows Linux Good alternative? YES NO
2 Like Arity Arity is a calculator app that's fast and simple to use, and powerful. Features: open source (Apache 2). tiny (2K... Open Source Android Good alternative? YES NO
1 Like XCALC Discontinued 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 Good alternative? YES NO