Free Calculators for Linux

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.

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).

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.

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

The Unit Converter app: easy, immediate and multi-platform.

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...

A simple but powerful notepad calculator which evaluates expressions as you type.

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.

Open-source calculator app based on Windows Calculator, available for desktop, mobile, and web. Supports scientific, unit conversion, and programming functions.

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

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...

Free online apps bundle from GeoGebra: get graphing, geometry, algebra, 3D, statistics, probability, all in one tool!

Calculator is an application that solves mathematical equations and is suitable as a default application in a GNOME Desktop environment.

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.

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).

A text calculator for natural language expressions, variables & unit conversions, with a vim-style TUI. Inspired by Numi.

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.

Raycast-compatible launcher for 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.

The calculator you know from school.

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...

CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features.

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.

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.

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...