A review of the core prerequisite skills, competencies, and concepts from algebra and trigonometry for calculus I. Intended for students who are concurrently enrolled in MATH V21A, Calculus with Analytic Geometry I. Just-in-time support topics include: learning skills, computational skills developed in college algebra and trigonometry, translation from English to algebra and trigonometry, evaluation of literal expressions and functions, mathematical modeling and mathematical proof techniques. Corequisites: MATH V21A. Notes: This support course is required for some, but not all, sections of MATH V21A; click the CRN information in the schedule of classes for each section of MATH V21A to determine whether support is required for that section; see your counselor or major advisor for more information.