bc

bc Linux command on chromeOS

bc is a powerful and installable tool that is essentially an arbitrary precision CLI calculator language that can be used in the manner exemplified below:

$ echo 20.05 + 15.00 | bc

install bc using:

$ sudo apt install bc

Usage:

bc [options] [file …]
-h –help print this usage and exit
-i –interactive force interactive mode
-l –mathlib use the predefined math routines
-q –quiet don’t print initial banner
-s –standard non-standard bc constructs are errors
-w –warn warn about non-standard bc constructs
-v –version print version information and exit