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calc — An interactive arbitrary-precision calculator in the terminal. More information: <https://manned.org

Submitted by: @import:tldr-pages·Mar 2, 2026·

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thecommandcalccliinteractivecalculatorarbitraryprecision

Problem

How to use the calc command: An interactive arbitrary-precision calculator in the terminal. More information: <https://manned.org/calc>.

Solution

calc — An interactive arbitrary-precision calculator in the terminal. More information: <https://manned.org/calc>.

Start calc in interactive mode:

calc

Perform a calculation in non-interactive mode:

calc '{{85 * (36 / 4)}}'

Don't format the output (for use with [p]ipes):

calc -p '{{4/3 * pi() * 5^3}}'

Perform a calculation and then switch to [i]nteractive mode:

calc -i '{{sqrt(2)}}'

Start calc in a specific permission [m]ode (0 to 7, defaults to 7):

calc -m {{mode}}

View an introduction to calc:

calc help intro

View an overview of calc:

calc help overview

Open the calc manual:

calc help

Code Snippets

Start `calc` in interactive mode

calc

Perform a calculation in non-interactive mode

calc '{{85 * (36 / 4)}}'

Don't format the output (for use with [p]ipes)

calc -p '{{4/3 * pi() * 5^3}}'

Perform a calculation and then switch to [i]nteractive mode

calc -i '{{sqrt(2)}}'

Start `calc` in a specific permission [m]ode (0 to 7, defaults to 7)

calc -m {{mode}}

Context

tldr-pages: common/calc

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