#online function graph

Science and mathematics students often have to deal with equations and their graphical plots. While there are powerful desktop applications dedicated to this purpose, a quick web service for this task is the brilliant Online Function Generator, that lets you plot multiple functions on the same graph.

http://www.onlinefunctiongrapher.com/, here is where you can find the website. It is a pretty simple website, No sign up required. 

This is just a snap shot of the website, it is a very simple one, but at the same time quite handy.