$ sudo npm install postcss-calc
$ sudo npm install -g postcss-calc

If want to update the postcss-calc package execute the command as below,

$ sudo npm update postcss-calc

Update package globally,

$ npm install -g postcss-calc

Git clone:

$ sudo  git clone https://github.com/rektide/postcss-calc.git

$ sudo  npm install -g ./postcss-calc

postcss-calc@6.0.1 /usr/lib/node_modules/postcss-calc

How to remove postcss-calc package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall postcss-calc

Basic Information of postcss-calc NPM Package: