Hofstra University
Hofstra University: Function Grapher
This site contains an actual online function graphing utility. Allows you to type in a function, choose max and min x and y values, zoom in and out, as well as a variety of other features. Just like having a graphing calculator online.
Hofstra University
Hofstra University: Applied Calculus: Function Grapher
Students enter functions in standard mathematic notation and the tool creates a graph of the function. Multiple functions can be entered into the learning tool.