---
name: "calcoo"
section: "1"
platform: "linux"
package: "calcoo"
version: "1.3.18-7"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/calcoo"
---

# calcoo(1)

scientific calculator (GTK+).

## NAME

Calcoo - scientific calculator (GTK+).

## SYNOPSIS

**calcoo** \[OPTION\]

## DESCRIPTION

*Calcoo* is a scientific calculator designed to provide maximum usability. The features that make Calcoo attractive are:

- **\***

  bitmapped button labels and display digits to improve readability

- **\***

  no double-function buttons - you need to click only one button for any operation (except for arc-hyp trigonometric functions)

- **\***

  undo/redo buttons

- **\***

  both RPN and algebraic modes

- **\***

  display marks to separate thousands

- **\***

  copy/paste interaction with the X clipboard

- **\***

  two memory registers with displays

- **\***

  displays for Y, Z, and T registers

## OPERATION

Like in a regular calculator. Settings (switching between RPN and algebraic modes, rounding, RPN stack behavior) can be accessed by  pressing the button labelled "!". The button labelled "?" brings up the help/info window.

## OPTIONS

Calcoo accepts the following command-line options:

- **-h, --help**

  Show summary of options and exit.

- **-v, --version**

  Print version number and exit.

## OTHER INFO

The webpage for Calcoo is at

- http://calcoo.sourceforge.net/

  - There you can find more information about Calcoo and download the latest version.

  ## AUTHOR

Alexei Kaminski (alexei.kaminski@gmail.com)

## BUGS

None I am aware of. If you find any, please report them.