errProof

The website has a lot of useful and unique tools.

Free
Web

errProof offers a collection of webbased unique tools for any user

Links to official errProof sites

Features

The Best 100 errProof Alternatives

173 Like

SpeedCrunch

SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including: Unlimited Variables, Syntax Highlighting, Functions, with...

Free Open Source Mac OS X Windows Linux

Portable Multiple languages Support for Themes Syntax Highlighting Live Preview Inline editing Input history Variables
135 Like

Pastebin.com

Pastebin.com is a website where you can store text for a certain period of time.

Free Windows Android iPhone Web Chrome Firefox HP webOS
36 Like

Calculator

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

Free Android Android Tablet Chrome OS Web Android Wear
32 Like

Qalculate!

Qalculate! is a multi-purpose desktop calculator for GNU/Linux and Windows. It is small and simple to use but with much power and versatility underneath.

Free Open Source Windows Linux Xfce

Persistent History Exchange rates Variables Equation solving Fractions
30 Like

RealCalc Scientific Calculator

RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing.

Freemium Android
24 Like

Write.as

Write.as lets you write and publish text instantly. Write a note for yourself to read later. Create a standalone article you can quickly broadcast on social media — or publish a full blog. Write.

Freemium

Distraction free writing Anonymous Secure Filesharing Anonymity Twitter integration Frictionless publishing Medium Integration Tumblr integration
23 Like

fxSolver

Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.

Free Web

Shared links Built in editor Equation solving
22 Like

handyCalc

handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use. With almost all the features you can imagine on a calculator, waiting for you to explore.

Free Android
20 Like

repl.it

Online Interpreters in JavaScript. Online coding and REPL. Run and share code. Try QBasic, Forth, Ruby, Python, Lua, Scheme, Emoticon, Brainfuck, LOLCODE, Unlambda, Bloop, JavaScript, Javascript.

Freemium Web
19 Like

Ghostbin

Ghostbin is a paste service, and I’m going to skip explaining precisely what that is—it’s fairly obvious.

Free Open Source Web jQuery Bootstrap

MarkDown support Online Sharing Code Sharing
17 Like

Soulver

Soulver helps you do quick calculations and work things out. Use Soulver to play around with numbers, do "back of the envelope" calculations, and solve day-to-day problems.

Commercial Mac OS X
16 Like

Windows Calculator

Windows Calculator, commonly known as Calculator from the application's title bar, is a calculation application included in all versions of the Microsoft Windows operating system.

Free Windows
13 Like

CalcTape

CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured.

Freemium Windows
11 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 scientific.

Free iPhone iPad
10 Like

Calcbot

Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.

Freemium Mac OS X iPhone iPad Apple Watch
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. Individual notes for home calculations, work and shopping.

Commercial Mac OS X
9 Like

Numi

Numi is a handy calculator app for Mac. It allows to describe tasks the natural way and instantly get an accurate answer. For example, $20 in euro - 5% discount or today + 2 weeks.

Free Mac OS X

Extensible by Plugins/Extensions Support for Keyboard Shortcuts Data export/import Sits in the MenuBar Currency Conversion Real time translation Fast currency conversion
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 you can freely add, edit and execute calculations.

Free Windows
9 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 converter are update from Internet by one click.

Free Windows
8 Like

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

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errProof

Links to official errProof sites

Features

Categories

Tags

The Best 100 errProof Alternatives

SpeedCrunch

Pastebin.com

Calculator

Qalculate!

RealCalc Scientific Calculator

Write.as

fxSolver

handyCalc

repl.it

Ghostbin

Soulver

Windows Calculator

CalcTape

Calculator

Calcbot

Numeric Notes

Numi

SpeQ Mathematics

HEXelon MAX

galculator

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