qalculate-gtk(1)

qalculate-gtk1

Powerful and easy to use desktop calculator

Usage

qalculate-gtk [options] [expression]

Overview

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-gtk 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

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

Releases

8 releases since Debian 6.0 (Squeeze); the text changed 2 times.

  1. 6.0–9
  2. 10
  3. 12–Arch

--file since Debian 12 (Bookworm); --new-instance since Debian 12 (Bookworm); --title since Debian 12 (Bookworm); --version since Debian 12 (Bookworm); -f since Debian 12 (Bookworm); -n since Debian 12 (Bookworm); -v since Debian 12 (Bookworm).

Bugs

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

Authors

qalculate-gtk was written by Hanna Knutsson <[email protected]>.

From qalculate-gtk 5.13.0-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.