Rule of 3 Calculator Alternatives

Rule of 3 Calculator is described as 'Portable tool that allows you to apply the mathematical Rule of Three in an easier, faster and more practical way!' and is a Calculator in the education & reference category. There are more than 100 alternatives to Rule of 3 Calculator for a variety of platforms, including Android, Windows, Mac, iPhone and Web-based apps. The best Rule of 3 Calculator alternative is Wolfram Alpha, which is free. Other great apps like Rule of 3 Calculator are SpeedCrunch, Fossify Calculator, Qalculate! and OpenCalc.

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Rule of 3 Calculator alternatives page was last updated

Alternatives list

  1. Copy a direct link to this comment to your clipboard

    Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  2. Copy a direct link to this comment to your clipboard

    A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.

    135 Windows Calculator alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
     
  3. NaSC icon
     20 likes
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    Its an app where you do maths like a normal person. It lets you type whatever you want and smartly figures out what is math and spits out an answer on the right pane. Then you can plug those answers in to future equations and if that answer changes, so does the equations its...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
     
  4. Copy a direct link to this comment to your clipboard

    A calculator with the basic functions and a customizable widget.

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Alerts

    • Warning

    Platforms

    • Android
    • Android Tablet
    • F-Droid
     
  5. Copy a direct link to this comment to your clipboard

    RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing. Looking for fractions? Degrees/minutes/seconds? Landscape mode? You need RealCalc Plus. See elsewhere on this page for the l.

    138 RealCalc Scientific Calculator alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Android
     
  6. Copy a direct link to this comment to your clipboard

    Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • KDE Plasma
    • Linux Mobile
    • Flathub
    • Plasma Mobile
     
  7. Grapher icon
     12 likes
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    With Grapher, you can graph equations and data sets and visualize the results on your Mac in real time. Grapher displays algebraic relations, both implicit and explicit, in 2D and 3D. You can use a variety of coordinate systems and choose from a wide array of mathematical...

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
     
  8. galculator icon
     10 likes
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    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).

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • BSD
    • Xfce
     
  9. PCalc icon
     14 likes
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    PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a...

    154 PCalc alternatives

    Cost / License

    • Pay once
    • Proprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    • Apple Watch
    • Apple TV
     
  10. zCalc icon
     5 likes
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    📟 An improved version of OpenCalc.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Android
     
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