Lockdown math announcement The simpler quadratic formula | Lockdown math ep. 1 Trigonometry fundamentals | Lockdown math ep. 2 Complex number fundamentals | Lockdown math ep. 3 What is Euler's formula actually saying? | Lockdown math ep. 4 Imaginary interest rates | Lockdown math ep. 5 Logarithm Fundamentals | Lockdown math ep. 6 What makes the natural log "natural"? | Lockdown math ep. 7 The power tower puzzle | Lockdown math ep. 8 Intuition for i to the power i | Lockdown math ep. 9 Tips to be a better problem solver [Last lecture] | Lockdown math ep. 10