Free Calculators for Linux

All apps in Free Calculators for Linux category. Use the filters below to narrow down your search. 
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  1. SpeedCrunch icon
     291 likes

    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.

    • Discontinued
    • Calculator
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • PortableApps.com
    Dark Mode
    129 alternatives
    4.2
    Very Good18 reviews
  2. Qalculate! icon
     101 likes

    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).

    Main window
    115 alternatives
    4.8
    Excellent13 reviews
  3. SageMath icon
     158 likes

    SageMath is a free open-source mathematics software system licensed under the GPL. It builds on top of many existing open-source packages: NumPy, SciPy, matplotlib, Sympy, Maxima, GAP, FLINT, R and many more.

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    Dynamically visualize effects of of parameters on calculations with Interact
  4. Numi icon
     27 likes

    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...

    • Calculator
    • FreemiumProprietary
    • Mac
    • Windows
    • Linux
    • Terminal
    Numi screenshot 1
    123 alternatives
  5. Calcpad icon
     10 likes

    Calcpad is a lightweight mathematical platform for cloud and desktop. It parses simple text scripts and converts them into professional Html reports. Supports complex numbers, variables, functions, graphing, units and numerical methods.

    Design of RC column
    43 alternatives
  6. Open-source calculator app based on Windows Calculator, available for desktop, mobile, and web. Supports scientific, unit conversion, and programming functions.

    • Calculator
    • FreeOpen Source
    • Mac
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    Uno Calculator screenshot 1
    Uno Calculator screenshot 2
    Uno Calculator screenshot 3
    35 alternatives
  7. NaSC icon
     20 likes

    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...

    NaSC screenshot 1
    NaSC screenshot 2
    NaSC screenshot 3
    77 alternatives
  8. 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.

    • Calculator
    • FreeOpen Source
    • Linux
    • KDE Plasma
    • Linux Mobile
    • Flathub
    • Plasma Mobile
    Kalk Calculator screenshot 1
    129 alternatives
  9. galculator icon
     10 likes

    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
    • Calculator
    • FreeOpen Source
    • Linux
    • BSD
    • Xfce
    galculator screenshot 1
  10. Curo Calculator is the ultimate tool for anyone needing to calculate loan, lease, and hire purchase repayments and interest rates. Perfect for both personal users and finance professionals, this app simplifies complex financial calculations.

    • FreeOpen Source
    • Linux
    • Flathub
    • Flatpak
    • Android
    • Android Tablet
    • Online
    Curo Calculator screenshot 1
  11. GNU Units icon
     8 likes

    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.

    • FreeOpen Source
    • Linux
    18 alternatives
  12. Cuneo icon
     1 like

    Cuneo is a simple and straightforward app that lets you calculate and convert anything you might encounter in your daily life. Being designed like a widget, Cuneo gets out of the way and is best used floating over a maximized window so you can focus on your actual tasks and not...

    Cuneo screenshot 1
    33 alternatives
  13. kalker icon
     4 likes

    A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.

    • Calculator
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Self-Hosted
    kalker screenshot 1
    34 alternatives
  14. Program that solves numerically algebraic systems of non-linear, and linear, equations. It also includes a database of thermodynamical properties for many substances and a symbolic mathematical program to perform mathematical operations.

    • Discontinued
    • FreeOpen Source
    • Windows
    • Linux
    engineeringsuite screenshot 1
    11 alternatives
  15. GraphCalc icon
     17 likes

    GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to derivatives. GraphCalc combines all the features of a professional mathematics package with the simplicity of an...

    • Discontinued
    • Calculator
    • FreeOpen Source
    • Windows
    • Linux
    Main UI
    41 alternatives