Math QRH is a tool, not a textbook! A valuable book for anyone in upper-level STEM courses or careers. A Quick Reference Handbook (QRH) is used by pilots for mission-critical decision-making without the burden of doing things solely from memory. Math QRH will help you do better in Mathematics! Math QRH is cost-effective and designed to be used for many courses of study. Developed from notes and instructor guidelines; organized into an easy-to-find structure. Math QRH is proven to help you find what you need for a particular set of math problems.