Returns the 4:3, 16:9 or 21:9 ratio value of a requested number
npm install 4by3bash
$ [sudo] npm install -g 4by3
`
You might require to install it globally.Usage
$3
`bash
$ 4by3 800 # returns 600
`$3
bash
$ 4by3 800 --wide # returns 450
`$3
bash
$ 4by3 210 --ultrawide # returns 90
``