The Best 100 errProof Alternatives

  • iPaste.eu

    iPaste.eu is a web application that allows you to store and share code snippets and any textual information with other people.

    Free Chrome OS Web Chrome

  • Moffsoft FreeCalc

    Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit groupings, this free calculator...

    Freemium Windows

  • Reor

    Reor is a powerful calculator blended into perfection with a winsome interface. Reor is freeware, licensed under GNU General Public License (Version 3). Reor has a wide...

    Free Personal Windows

  • 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

  • eCalc Scientific Calculator

    An easy to use scientific calculator with many advanced features to help you solve algebra, trigonometry, and engineering math problems. The calculator comes with six...

    Commercial Mac OS X Windows

  • Calculate

    A math expression calculator with persistent memory for variables and functions. Any JavaScript expression can be evaluated. - Click the C button to clear the output...

    Free Mac OS X

  • ECW Expression Calculator

    ECW Expression Calculator is an advanced expression calculator with the following features: * display result as decimal/hex/bin/oct/exponential * standard and...

    Free Windows

  • Calc98

    Calc98 is a small but very powerful scientific calculator, with lots of features: Version 5.3 (totally free) # RPN # Base-n, hex, octal and binary modes #...

    Free Windows Windows Mobile

  • Engineering Calculator

    Pocket PC calculator for scientific and engineering purposes. This calculator is very bright and easy to use, supports more than 50 functions. The Engineering...

    Free Personal Windows Mobile

  • Abacus

    Abacus is a calculator for Windows and Linux that calculates while you type. It was released as free software in March 2011.

    Free Open Source Windows Linux

  • A Basic Scientific Calculator

    About A Basic Scientific Calculator Beautifully designed basic scientific calculator with support for percent operation, engineering exponent key, memory functions, and...

    Commercial Mac OS X

  • Try It Online (TIO)

    TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.

    Free Open Source Web Self-Hosted

  • PASTE

    Paste is a pastebin with lots of features. Some of these include encrypted pastes, passwords, ability to edit or fork pastes, user accounts, an admin panel. See...

    Free Open Source Windows Linux Web Pastebin.com

  • Ruvenss Calculator

    Simple yet very effective calculator with print capabilities and log registration.

    Free Mac OS X Windows Linux Chrome OS

  • MyCalc2

    MYCalc2 is a powerful RPN programmable scientific/financial/statistical/Currency convertor calculator with units conversion, 2D functions study and multiple Skins. The...

    Free Windows

  • 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

  • Unit Wolf

    Unit Wolf is a unit conversion program created for quick and reliable conversions. Enter entire equations or just simple numbers. Convert between 170 currencies or...

    Free Web

  • pb

    pb is a lightweight pastebin (and url shortener) built using flask. The official instance of pb can be found at ptpb.pw. Feel free to deploy pb elsewhere.

    Free Mac OS X Linux