A directory of useful objects found on the web for teaching Maths.
Sub-topics: ACMSM086 π4≤Arg(z)≤3π4π4≤Arg(z)≤3π4, Re(z)>Im(z)Rez>Im(z) and ∣∣z−1∣∣=2∣∣z−i∣∣z-1=2 (1)