Math Resources

Welcome to Carl Yao's website!

If you are new using TI-89, please spend an hour or two with one of these two resources. It will save you a lot of time and frustration when you do calculator activities in class.

If you like clicking through a website, click here:
Prentice Hall's online TI-89 help

If you like going through a document page by page, click here:
Portland Community College's TI-89 Beginner's Handbook


Do you know a good resource for beginning TI-89 users?

Please email me at xiaolong.yao@pcc.edu

Thank you!