Get the guide that gets results This CEOE OSAT Advanced Mathematics study guide from XAMonline provides an overview of the core competencies and skills assessed on the certification exam for the sub-areas of Problem Solving and Reasoning: Mathematical Systems and Number Theory; Algebra, Functions and Analytic Geometry; Geometry and Measurement; Trigonometry and Calculus; and Probability, Statistics, and Discrete Mathematics. Turn your knowledge into practice with 80 multiple-choice test questions and comprehensive answer rationales.