OpalCalc AlternativesCalculators and other similar apps like OpalCalc

OpalCalc is described as 'Brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly' and is a Calculator in the education & reference category. There are more than 50 alternatives to OpalCalc for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best OpalCalc alternative is SpeedCrunch, which is both free and Open Source. Other great apps like OpalCalc are Qalculate!, Numbat, Numi and Soulver.

OpalCalc iconOpalCalc
  21
  • ...

OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows...

More about OpalCalc
OpalCalc alternatives page was last updated Dec 31, 2022
Copy a direct link to this comment to your clipboard
  1. SpeedCrunch icon
     286 likes
    Copy a direct link to this comment to your clipboard

    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.

    127 SpeedCrunch alternatives

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    Discontinued

    Last release 2016. Only available in Windows 32-bit binary.

    Properties

    1.  Support for Themes
    2.  Lightweight
    3.  Privacy focused

    Features

    1.  Variables
    2.  Persistent History
    3.  Portable
    4.  Input history
    5.  Live Preview
    6.  Syntax Highlighting
    7.  Ad-free
    8.  Works Offline
    9.  No registration required
    10.  Activity history
    11.  Multiple languages
    12.  Inline editing

    SpeedCrunch VS OpalCalc

     
    Comments about SpeedCrunch as an Alternative to OpalCalc
    Guest
    Positive Nov 27, 2017
    0

    Very, very similar to opal. For less strenuous calculations speed is better. For more complex calculations, opal, full version is better with a slightly higher learning curve.

    OpalCalc Icon
    SpeedCrunch icon
    • SpeedCrunch is the most popular Windows, Mac & Linux alternative to OpalCalc.

    • SpeedCrunch is the most popular Open Source & free alternative to OpalCalc.

    • SpeedCrunch is Free and Open SourceOpalCalc is Freemium and Proprietary
    • SpeedCrunch is Lightweight and Privacy focusedOpalCalc is not according to our users
  2. Qalculate! icon
     100 likes
    Copy a direct link to this comment to your clipboard

    Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).

    112 Qalculate! alternatives

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • SE flagSweden
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Unit converter
    2.  Currency Conversion
    3.  Graphing calculator
    4.  Natural Language Processing
    5.  Persistent History
    6.  Variables
    7.  Ad-free
    8.  No registration required
    9.  Exchange rates
    10.  Works Offline
    11.  Portable
    12.  Dark Mode

    Qalculate! VS OpalCalc

     
    Comments about Qalculate! as an Alternative to OpalCalc
    Guest
    Positive Nov 27, 2017
    0

    Very powerful yet not too hard to get . Opal has a more modern UI, but QualQ works fine.

    OpalCalc Icon
    Qalculate! icon
    • Qalculate! is Free and Open SourceOpalCalc is Freemium and Proprietary
    • Qalculate! is Lightweight and Privacy focusedOpalCalc is not according to our users
  3. Numbat icon
     23 likes
    Copy a direct link to this comment to your clipboard

    High precision scientific calculator with full support for physical units (web and terminal versions).

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Ad-free
    2.  Web-Based
    3.  No registration required
    4.  Console-based
    5.  Works Offline
    6.  Unit converter
    7.  Dark Mode
    8.  Currency Conversion
    9.  Syntax Highlighting
    10.  Portable

    Numbat VS OpalCalc

     
    • Numbat is the most popular Web-based & Self-Hosted alternative to OpalCalc.

    • Numbat is Free and Open SourceOpalCalc is Freemium and Proprietary
    • Numbat is Lightweight and Privacy focusedOpalCalc is not according to our users
  4. Numi icon
     26 likes
    Copy a direct link to this comment to your clipboard

    Numi is a handy calculator app for macOS. 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. Numi is not limited to simple calculations, it can solve expressions of any complexity, with...

    119 Numi alternatives

    License model

    • FreemiumProprietary

    Application type

    Country of Origin

    • RU flagRussia

    Platforms

    • Mac

    Properties

    1.  Lightweight

    Features

    1.  Works Offline
    2.  No registration required
    3.  Currency Conversion
    4.  Ad-free
    5.  Dark Mode
    6.  Side-by-Side View
    7.  Real-time translation
    8.  Natural Language Processing
    9.  Sits in the MenuBar
    10.  Data export/import
    11.  Support for Keyboard Shortcuts

    Numi VS OpalCalc

     
  5. Soulver icon
     31 likes
    Copy a direct link to this comment to your clipboard

    Do you ever grab a calculator & the back of an envelope to work through an idea or problem that involves some math?

    115 Soulver alternatives

    License model

    Application type

    Country of Origin

    • AU flagAustralia

    Platforms

    • Mac
    • iPhone
    • iPad

    Soulver Features

    1.  Works Offline
    2.  Currency Conversion
    3.  Natural Language Processing
    4.  Side-by-Side View
    5.  Editable calculations

    Soulver VS OpalCalc

     
    • Soulver is the most popular iPhone & iPad alternative to OpalCalc.

    • Soulver is the most popular commercial alternative to OpalCalc.

    • Soulver is Paid and ProprietaryOpalCalc is Freemium and Proprietary
  6. 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!

    License model

    • FreeOpen Source

    Application types

    Country of Origin

    • AT flagAustria
    • European Union flagEU

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad

    Properties

    1.  Privacy focused
    2.  Educational

    Features

    1.  Ad-free

    GeoGebra Scientific Calculator VS OpalCalc

     
    • GeoGebra Scientific Calculator is the most popular Android & Android Tablet alternative to OpalCalc.

    • GeoGebra Scientific Calculator is Free and Open SourceOpalCalc is Freemium and Proprietary
    • GeoGebra Scientific Calculator is Privacy focusedOpalCalc is not according to our users
  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.

    132 Windows Calculator alternatives

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows

    Properties

    1.  Lightweight

    Features

    1.  Works Offline
    2.  Currency Conversion
    3.  No registration required
    4.  Dark Mode
    5.  Ad-free
    6.  Bundled with Windows

    Windows Calculator VS OpalCalc

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

    Next generation notepad-based calculator, built with extendibility and privacy in mind. Works on Windows, macOS and Linux.

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux

    Parsify® for Desktop Features

    1.  Currency Conversion
    2.  Ad-free
    3.  No registration required
    4.  Unit converter
    5.  Electron based

    Parsify® for Desktop VS OpalCalc

     
    Comments about Parsify® for Desktop as an Alternative to OpalCalc
    Sitino
    Negative Feb 4, 2021
    0

    Apps made with Electron should be banned. Something that could be 100k in C++ becomes a 100M javascript monster

    OpalCalc Icon
    Parsify® for Desktop icon
    • Parsify® for Desktop is Freemium and ProprietaryOpalCalc is also Freemium and Proprietary
  9. NaSC icon
     20 likes
    Copy a direct link to this comment to your clipboard

    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...

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Linux

    Properties

    1.  Minimalistic
    2.  Intuitive Interface

    Features

    1.  Ad-free
    2.  Natural Language Processing

    NaSC VS OpalCalc

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

    Hissab is a simple and intuitive calculator, unit-convertor and productivity application.

    License model

    • FreeProprietary

    Application type

    Platforms

    • Online
    • Google Chrome

    Hissab - Calculator with Superpowers Features

    1.  Ad-free
    2.  Unit converter
    3.  Natural Language Processing
    4.  Planning

    Hissab - Calculator with Superpowers VS OpalCalc

     
  11. 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.

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • KDE
    • Linux Mobile
    • Flathub
    • Plasma Mobile

    Properties

    1.  Lightweight

    Features

    1.  Dark Mode
    2.  Ad-free
    3.  Works Offline
    4.  No registration required
    5.  KDE

    Kalk Calculator VS OpalCalc

     
  12. galculator icon
     9 likes
    Copy a direct link to this comment to your clipboard

    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).

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Linux
    • BSD
    • Xfce
    Discontinued

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

    Properties

    1.  Configurable

    Features

    1.  Gtk
    2.  Reverse Polish notation (RPN)

    galculator VS OpalCalc

     
12 of 51 OpalCalc alternatives