Pre-Calculus

Pre-Calculus I to V — 100 written lectures and 1,200 questions, from absolute value, exponents and functions through polynomials, rational functions, exponentials, logarithms and the whole of trigonometry, to systems, matrices, conics, sequences and the first limits — every lecture with fully typeset mathematics, worked examples solved step by step with the reasoning shown, practice with hints, quizzes, and unsolved problems, in nineteen ways of studying including a continuous read of a whole course as one page.