Easy steps to install unum package on Mac
Package Information:
Application Name – unum
What is unum – Tools for the modern-day creator.
Use of unum – Interconvert numbers, Unicode, and HTML/XHTML entities
URL – https://www.fourmilab.ch/webtools/unum/
Installation Steps:
- Open Terminal using Spotlight search by pressing  <command+space>. Type terminal and hitEnterkey.
- Now, run following command to install homebrew (brew)
- Install unum using brew
brew install unum 

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

unum is ready to use now!