You will have heard of those geniuses who can remember 100,000 digits of pi , who memorise whole books or who even manage to remember Auntie Betsy's birthday. You may not be one of them, but one thing you will certainly be able to do, to the amazement of your friends, is computing the cube roots of numbers up to one billion.

Doubts? Of course you do not have to calculate them the usual way. Instead, you will learn a much simpler method in this Entry.