HSN Notes For Higher Unit 1 Straight Line (App 1.1) Sequences (App 1.3) Functions and Graphs (E&F 1.3) Polynomials and quadratics (R&C 1.1) Unit 2 Vectors (E&F 1.4) Differentiation (R&C 1.3) Integration (R&C 1.4) Further Calculus (App 1.4) Unit 3 Trigonometry (E&F 1.2 and R&C 1.2) Circles (App 1.2) Exponentials and Logarithms (E&F 1.1) Wave Functions