How to install Touchpad indicator for Limux mint

These are the steps to be followed for installing the Touchpad indicator in Mint

Touchpad indicator is an applet icon on Unity panel that allows you to enable/disable touchpad via its drop-down menu or a shortcut key.
Besides that basic function, the simple app supports:

• Disable touchpad when mouse plugged.
• Disable touchpad on typing.
• Natural scrolling.
• Circular scrolling.
• Two fingers vertical/horizontal scrolling.

Install:
Touchpad indicator is developed by atareao team, available in the PPA for Ubuntu 14.04, Ubuntu 13.10, Ubuntu 12.04.
To install it, press Ctrl+Alt+T on keyboard to open terminal. When it opens, run the commands below one by one:

sudo add-apt-repository ppa:atareao/atareao 

sudo apt-get update

sudo apt-get install touchpad-indicator

This will add the developer’s PPA and install the indicator applet from that repository.
(Optional) Uninstall:
If for some reason you want to remove the indicator as well as the PPA repository, do:

sudo add-apt-repository -r ppa:atareao/atareao 

sudo apt-get remove touchpad-indicator

sudo apt-get update