AP Precalculus

Online Tools for Modeling with Data

Wolfram|Alpha Type in an equation to solve, or a function to graph in the dialog box for Wolfram|Alpha! Use it to explore concepts and check homework problems. For example, type solve x^2-9=0 or plot x^2-9, x=-2 to 4
Desmos A quick and easy interactive graphing app
Geogebra- free graphing program
General data graphing applet from the National Center for Education Statistics. Very cool.