Pre-Calculus in 2017

The Calculus of Happiness: How a Mathematical Approach to Life Adds Up to Health, Wealth, and Love by Fernandez, Oscar E.

iGlobal Pre-Calculus Study Guide by Services, Iglobal Educational

Pre-Calculus: High School Math Tutor Lesson Plans by Services, Iglobal Educational

The Trigonometry Tryst by Bailey, J. a.

Student Solutions Manual for Precalculus with Early Trigonometry, 3rd ed. by Berger, M.

Precalculus 1: An Investigation of Functions (Chp 1-4) by Rasmussen, Melonie, Lippman, David

Precalculus 2: An Investigation of Trigonometry (Chps 5-9) by Rasmussen, Melonie, Lippman, David

Precalculus and Computer Programming by Hauser Phd, Francis D.

Mathematics Lovers: Amantes de las Matemáticas by Revenge (R), Sweet

Calculus Methods by Yablonski, Ken, Expolog LLC