RJ Calculator Alternatives

RJ Calculator is described as 'Scientific calculator with most basic functions like trigonometric functions, logarithms and base conversion. Also, statistic calculations like standard deviation and regression' and is an app in the education & reference category. There are more than 50 alternatives to RJ Calculator for a variety of platforms, including Windows, Android, Web-based, Linux and Mac apps. The best RJ Calculator alternative is Wolfram Alpha, which is free. Other great apps like RJ Calculator are SpeedCrunch, fxSolver, Numbat and Google Calculator.

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RJ Calculator alternatives page was last updated

Alternatives list

  1. Wolfram Alpha icon
     493 likes
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    Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer.

    59 Wolfram Alpha alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Kindle Fire
     
    • Wolfram Alpha is the most popular Web-based, Android, iPhone & iPad alternative to RJ Calculator.

    • Wolfram Alpha is the most popular free alternative to RJ Calculator.

    • Wolfram Alpha is Freemium and ProprietaryRJ Calculator is Free and Proprietary
  2. SpeedCrunch icon
     291 likes
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    SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.

    130 SpeedCrunch alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
     
    • SpeedCrunch is the most popular Windows, Mac & Linux alternative to RJ Calculator.

    • SpeedCrunch is the most popular Open Source alternative to RJ Calculator.

    • SpeedCrunch is Free and Open SourceRJ Calculator is Free and Proprietary
    • SpeedCrunch is Lightweight and Privacy focusedRJ Calculator is not according to our users
  3. fxSolver icon
     60 likes
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    Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.

    151 fxSolver alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  4. Numbat icon
     23 likes
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    High precision scientific calculator with full support for physical units (web and terminal versions).

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
     
    • Numbat is the most popular Self-Hosted alternative to RJ Calculator.

    • Numbat is Free and Open SourceRJ Calculator is Free and Proprietary
    • Numbat is Lightweight and Privacy focusedRJ Calculator is not according to our users
  5. 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
     
  6. Copy a direct link to this comment to your clipboard

    Open-source calculator app with Windows Calculator features including standard, scientific, and programmer modes, plus unit and currency conversions. Available for macOS, Linux, Android, iOS, and web, with an intuitive interface for both desktop and mobile devices.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
     
  7. 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 (MIT)

    Application type

    Platforms

    • Windows
     
  8. 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
     
  9. 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
     
12 of 65 RJ Calculator alternatives