Install bc by entering the following commands in the terminal:
sudo apt update sudo apt install bc
Description:
GNU bc arbitrary precision calculator language
GNU bc is an interactive algebraic language with arbitrary precision which follows the POSIX 1003.2 draft standard, with several extensions including multi-character variable names, an `else' statement and full Boolean expressions. GNU bc does not require the separate GNU dc program.
Homepage: http://ftp.gnu.org/gnu/bc/
Version: 1.07.1-2
Section: math