calc
An interactive arbitrary-precision calculator in the terminal. tldr-pages
On several platforms
Several platforms
Start calc in interactive mode
calcIdentifyPerform a calculation in non-interactive mode
calc '85 * (36 / 4)'IdentifyDon't format the output (for use with pipes)
calc -p '4/3 * pi() * 5^3'IdentifyPerform a calculation and then switch to interactive mode
calc -i 'sqrt(2)'IdentifyStart calc in a specific permission mode (0 to 7, defaults to 7)
calc -m 0..7IdentifyView an introduction to calc
calc help introIdentifyView an overview of calc
calc help overviewIdentifyOpen the calc manual
calc helpIdentify