ESA Study Guide Calculus covers the six key Level 3 Standards 3.1, 3.3, 3.5, 3.6, 3.7 and 3.15 being implemented in 2013. It features brief notes, explanations, worked examples and exercises with fully worked answers. Use throughout the year to support classroom work, to help with internal assessments and to revise for end-of-year exams.