Math help online, math tutoring: algebra, geometry, SAT, ACT. Easy Access Study Guide. Calculus. Welcome to Precalculus. PreCalculus Mathematical Videos, MCS, UofTM. Pre-Calculus Instructional Videos. Precalculus Videos - Mr. Ray's Mathematics Website. Animated Precalculus. Precalculus. Precalculus: An Investigation of Functions is a free, open textbook covering a two-quarter pre-calculus sequence including trigonometry.
The first portion of the book is an investigation of functions, exploring the graphical behavior of, interpretation of, and solutions to problems involving linear, polynomial, rational, exponential, and logarithmic functions. An emphasis is placed on modeling and interpretation, as well as the important characteristics needed in calculus. The second portion of the book introduces trigonometry. Periodic Table of Mathematicians. Tour of the EMS 01 - Introduction.