The Best 28 ThinkCalculator Alternatives

  • Wolfram Alpha icon

    Wolfram Alpha

    Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that...

    Freemium Android iPhone iPad Web Kindle Fire Windows Phone

    Built in search engine Equation solving
  • Calculator icon

    Calculator

    Calculator provides simple and advanced mathematical functions in a beautifully designed app.

    Free Android Android Tablet Chrome OS Web Android Wear

  • galculator icon

    galculator

    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).

    Free Open Source Linux BSD Xfce

  • Gnome calculator icon

    Gnome calculator

    Calculator for the GNOME Desktop Environment, formerly known as gcalc (and gcalctool CLI).

    Free Open Source Linux GNOME

  • GNU Units icon

    GNU Units

    The Units program converts quantities expressed in various scales to their equivalents in other scales. The units program can handle multiplicative scale changes as well as nonlinear conversions such as Fahrenheit to Celsius or wire gauge.

    Free Open Source Linux

  • Calistry.org icon

    Calistry.org

    Calistry is an online Chemistry Calculator. Till date Calistry contains 70+ calculators in the field of Chemistry. Everything in the website is entirely free to use.

    Free Android Web

  • Cymath icon

    Cymath

    Enter your math problem, and let Cymath solve it for you step-by-step! For high school students, Cymath covers topics in algebra such as: - equation solving - factoring - logarithms - exponents - complex numbers - quadratic...

    Free Android iPhone Web

  • Calculator Plus icon

    Calculator Plus

    Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed buttons. A sound and smart person...

    Free Android

  • JustBrowsing Calculator icon

    JustBrowsing Calculator

    Calculator web-app for JustBrowsing project. Basic 4 function calculator plus square root and exponent functions. Supports keyboard shortcuts and made to resemble a...

    Free Open Source Mac OS X Windows Linux Chrome OS Web

  • Calculator plus1 icon

    Calculator plus1

    Features a calculator: Standard arithmetic. The calculation of trigonometric functions in degrees radian. Calculation of the exponential function, the natural...

    Free Android Android Tablet

  • errProof icon

    errProof

    The website has a lot of useful and unique tools.

    Free Web

  • Getcalc icon

    Getcalc

    getcalc.com is a simple, intuitive & robust Online Calculators & Converters Application to perform simple to more complex math, science, finance, engineering...

    Free Web

  • Simple Calculator icon

    Simple Calculator

    A calculator with the basic functions and a customizable widget. You can copy the result or formula to clipboard by long pressing it. The text color of the widget...

    Free Open Source Android

  • Physics Formulas Calculator icon

    Physics Formulas Calculator

    Physics Formulas Calculator comprises a selection of 119 different calculators that will simplify calculations which have given you headaches so far. Complex...

    Commercial Mac OS X

  • Mi Calculator icon

    Mi Calculator

    Mi Calculator will do the math for you. Regular, scientific, and mortgage calculators, as well as currency and unit converters are all here in one place. 1.Edit history...

    Free Android Android Tablet