Gus and Lyle's Precalculus Website

Lessons · Glossary · Formulas and more · Helpful links


Khan Academy Precal and SchoolYourself Precal
Use these sites to go over difficult concepts or reteach yourself anything you may have forgotten!

UC Davis Precal Practice
This website has practice problems for you to test your abilities on.

Rainy Mood, Coffitivity, and Ocean Waves
Listening to music or ambient noise while you study can be relaxing and increase your productivity.