Inc. BarCharts 
Pre-Calculus [PDF ebook] 
a QuickStudy Reference Guide

Each step higher in math studies is crucial to doing well at the next level. Pre-Calc is the gateway to higher level mathematics of which the best degrees and careers are built upon. The core essentials in 6 laminated pages can be used along with your text and lectures, as a review before testing, or as a memory companion that keeps key answers always at your fingertips. The most answers for your money in what students have said is a must have study tool. Suggested uses: o Quick Reference instead of digging into the textbook to find a core answer you need while studying, use the guide to reinforce quickly and repeatedly o Memory refreshing your memory repeatedly is a foundation of studying, have the core answers handy so you can focus on understanding the concepts o Test Prep no student should be cramming, but if you are, there is no better tool for that final review