qalc

Powerful and easy to use command-line calculator. See also: bc. More information: https://qalculate.github.io/manual/qalc.html.

• Launch in [i]nteractive mode:

qalc –interactive

• Launch in [t]erse mode (print the results only):

qalc --terse

• Update currency [e]xchange rates:

qalc --exrates

• Perform calculations non-interactively:

qalc 66+99|2^4|6 feet to cm|1 bitcoin to USD|20 kmph to mph|…

• List all supported functions/prefixes/units/variables:

qalc --list-functions|list-prefixes|list-units|list-variables

• Execute commands from a [f]ile:

qalc --file path/to/file