But some things you cannot learn at school, and the learned calculations of our young architect are of little help when confronted with Getafix’s magic and slaves suddenly vehemently interested in workers’ rights (to such a point that the Roman legionaries themselves begin negotiating their pay and midnight permits). The name Squareonthehypothenus is a reference to the Pythagorean Theorem, which states that in a right angled triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides. In other words, a2+b2=c2.