Designed with teachers and students in mind, GCalc is an online application that allows anyone to graph algebra, pre-calculus, calculus and any other equations. The solution is available online, or as a downloadable desktop application.
To get started simply click on the button provided and then enter the appropriate coordinates by either placing the mouse over the correct area on the graph or by manually entering the coordinates. An array of options is available including zooming options, and the ability to pre-select for radian or degree. GCalc is a great tool in the classroom and also for studying outside of the classroom since it provides students and teachers with an easy-to-use solution.
GCalc.net In Their Own Words
“Teachers and students like you from all over the globe use GCalc daily for their graphing needs. GCalc is designed to provide a basic, easy-to-use, well-balanced set of graphing functionality for algebra, pre-calculus, calculus and beyond.”
Why GCalc.net It Might Be A Killer
This should become an increasingly popular tool for students and teachers of math alike.
Some Questions About GCalc.net
Will this solution remain free or do they have plans to start charging a fee for classroom use? 
