errProof Alternatives

    errProof is described as 'The website has a lot of useful and unique tools' and is an website in the Education & Reference category. There are more than 100 alternatives to errProof, not only websites but also apps for a variety of platforms, including Windows, Mac, Android and Linux. The best alternative is SpeedCrunch, which is both free and Open Source. Other great sites and apps similar to errProof are Wolfram Alpha (Freemium), Pastebin.com (Freemium), Qalculate! (Free, Open Source) and Write.as (Freemium, Open Source).

    This page was last updated Nov 18, 2019

      • Free PersonalProprietary
      • Online
      worksheets or practice exercises, calculators & answer sheets to engage the grade school students to learn, practice, test & verify the answers themselves to measure the progress of their own
      • FreemiumProprietary
      • iPad
      Calculator Pro for iPad Free is designed for everyone looking for simplicity and functionality. The app features two calculators sporting elegant interface that won't leave anyone indifferent.
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    1. The collection of unit measurement converters along with conversion factor, ratio, formula and tables
    2. kanakku is a Web 2.0 application that was designed to be used as a productivity utility. The application is a free online utility that is an advanced calculator with a spreadsheet user interface.
      • FreeProprietary
      • Online
      A simple online calculator.


      • FreeProprietary
      • Online
      • Android
      • iPhone
      • iPad
      Calcbuddy Calculator is an easy to use scientific calculator.
    3. Complete calculus tools, easy to use and full of functions. Oficalc is, basically, a scientific calculator that may help you with mathematical calculus and that incorporates other tools to send to the highest resolution of advanced operations.
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    4. Solve is a calculator like no other! Solve solves expressions as you type and features an innovative memory system to store and recall answers. Simply touch the answer to store it and touch the stored answer to use it in an expression.
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      • FreeOpen Source
      • Mac
      EdenMath is a scientific calculator which does standard arithmetic, probability, and trigonometric functions.
      • FreeProprietary
      • Windows
      GlassCalc is a free, Windows calculator designed for quick input via keyboard. It forgoes the usual array of buttons for a single textbox where you can type an equation or mathematical expression, hit Enter, and get a result.
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    Showing 90 of 101 alternatives