Featured sub-topics: - Gradient of a curve - Differentiating y = x² from first principles - Differentiating y = x³ from first principles - Differentiating polynomials from first principles - The dy/dx notation - General principle of differentiation - Differentiating using a scientific calculator - Tangents and Normals - Tangents & Normals using a graph app - Velocity and acceleration Complement your study with the in-app Tutorial videos as if you're in the classroom! Fully worked-out answers to every exercise and question have been included. Simplified explanations, plus extra side notes with even more explanation! Over 30 examples per chapter with step by step working. Past paper examination questions at the end of each chapter. Check out more Pure Math Chapters here: https://play.google.com/store/apps/dev?id=5483822138681734875