grant_h, 9 months ago @MrBerard @edutooters The best bit is in the intro: "so who can tell me what 1 + 1 is?" When you show that x + -x = 0 in 2s comp, there's generally this "oh, wow" moment, which is a small payoff.
@MrBerard @edutooters The best bit is in the intro: "so who can tell me what 1 + 1 is?" When you show that x + -x = 0 in 2s comp, there's generally this "oh, wow" moment, which is a small payoff.