The library picture in the Mind Blown track: ten million books, three signposts, one book found. The drawing says you can find one book in ten million in four stops. That is right, and this lesson shows why.
Before you start. You need to be comfortable counting, and with the idea that multiplying a number by itself a few times gets big fast - the same idea behind Fold a Paper to the Moon. Nothing else: no code, no maths past that.
Continue reading with a plan
The first three lessons of every track are free. This lesson is included with a plan, which unlocks every lesson, board, video, lab and paper for one price.
