---
name: "qalculate-qt"
section: "1"
platform: "linux"
package: "qalculate-qt"
version: "5.13.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/qalculate-qt"
---

# qalculate-qt(1)

Powerful and easy to use desktop calculator

## NAME

qalculate-qt - Powerful and easy to use desktop calculator

## SYNOPSIS

**qalculate-qt** \[*options*\] \[*expression*\]

## DESCRIPTION

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). Features include a large library of customizable functions, unit calculations and conversion, physical constants, symbolic calculations (including integrals and equations), arbitrary precision, uncertainty propagation, interval arithmetic, plotting, and a user-friendly interface.

**qalculate-qt** is the graphical user interface of Qalculate!.

## OPTIONS

- **-f, --file *FILE***

  execute expressions and commands from a file

- **-n, --new-instance**

  start a new instance of the application

- **--title *TITLE***

  specify the window title

- **-v, version**

  show application version and exit

- **-w, --workspace *FILE***

  open workspace

There are additional general options (not specific for the application) which can be listed with **--help-all**

## SEE ALSO

Full documentation at *https://qalculate.github.io/manual/* or in the Help menu

## BUGS

Please report any bugs at *https://github.com/Qalculate/qalculate-qt/issues*

## AUTHORS

qalculate-qt was written by Hanna Knutsson \<hanna.knutsson@protonmail.com\>.