What is “spigot” Package?

Command-line streaming exact real calculator
For more details: http://www.chiark.greenend.org.uk/~sgtatham/spigot/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install spigot.

  brew install spigot

Now, use spigot!