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

    1. Share Anything Proportionally.
      • FreeProprietary
      • iPhone
      • iPad
      The built in Calculator on the iPhone. Calculator is two calculators in one: rotate it to landscape to transform it from basic to scientific.


      • FreeProprietary
      • Windows
      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.
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    2. 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).

      Discontinued

      Reported as no longer to be updated/developed by the developer : https://github.com/galculator/galculator/issues/37
      So far no forks have appeared.

      • FreeOpen Source
      • Android
      • Android Wear
      Calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion, and more.
      No screenshots yet


      • FreeProprietary
      • Android
      • Android Tablet
      Features a calculator: Standard arithmetic. The calculation of trigonometric functions in degrees radian. Calculation of the exponential function, the natural logarithm, logarithm. The calculation of power functions (x to the power y, x squared, the square root of x).
    3. With MyScript Calculator, perform mathematical operations naturally using your handwriting.
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      • FreeOpen Source
      • Linux
      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.
      No screenshots yet
    4. 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.
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    5. Pasteonline is a website where you can store any text online for easy sharing. The website is mainly used by programmers to store pieces of sources code or configuration information, but anyone is more than welcome to paste any type of text.

      Discontinued

      Site no longer available.

      No screenshots yet
    Showing 40 of 101 alternatives