Log Tables with Formulae & Symbols [PDF Document] Added to Option 2: Electronics & Control by expertteacher

KeysToMaths: Cubic (Polynomial) Equations and the Factor Theorem [Video] Added to Algebra by Allyb2106

KeysToMaths: Q1b Quadratic Inequality - Project Maths HL Paper 1 (2012) [Video] Added to Algebra by Allyb2106