**Free online tutorials ** from
Interactmath.com for many Pearson textbooks, but you can use with any
precalculus textbook. For precalculus, choose **Blitzer's Precalculus** textbook, and you can practice sections
and subsections that you need help with. Step by step help is provided.
**Free videos from Khan Academy **
These videos address all the main topics of algebra and precalculus. Free registration is required.
**Study Guide for Precalculus** - This notebook organizer will help you develop a section-by-section summary of the key concepts in Precalculus. It is a set of templates to help you take notes, review section highlights, draw graphs, and keep track of homework assignments. From the Cengage companion web site to Larson's *Precalculus, 4th ed*. (but you can use it with any textbook - the page numbers and section numbers may differ, but the content will be very similar .)

**NEW!** These Wolfram|Alpha widgets can be very useful. Change the entries in the box, and try them out! You can even embed them to your own web site.

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**

**Student success organizer** - This notebook organizer will help you develop a section-by-section summary of the key concepts in College Algebra. It is a set of templates to help you take notes, review section highlights, draw graphs, and keep track of homework assignments. From the Cengage companion web site to Larson's *College Algebra*,
6th ed.

** Online algebra quizzes **Self checking quizzes on various basic algebra topics from a textbook companion web site. Accessible to anyone.

**Purplemath algebra page** - from pre-algebra to precalculus; lots of topics covered for review.
**Graphing calculator resources **- online guides and tutorials for using many popular models of graphing calculators; some are interactive

**Modeling with Excel**. A self contained Excel workbook showing how to graph functions, build tables and perform curve fitting with polynomials. The file contains macros to use for graphing. Download and open with Excel for maximal functionality.
**www.mathdemos.org** - site containing many demos for courses; an NSF project

**General data graphing applet** from the National Center for Education Statistics. Very cool.
**SOS Math algebra page** - various topics in algebra are covered here; graphical approach when appropriate

**Geogebra**- free graphing program; Check out the
GeoGebra page on this site