Schoolroom sums and exercises are crucial in learning to appreciate the awesome power of mathematics. But they are often a world away from how this knowledge came to be and where it came from. Inside Mathematics fills in the gaps, telling the stories of the amazing people behind core curriculum mathematics. Each book shows how the ideas of long-dead geniuses ended up in homework assignments: ? The Mayans of ancient Mexico were using zeros long before anyone else, * We count time and angles in multiples of 60 because that is what the people of Babylon did ? Meanwhile, Pythagoras was a murderer. * The shape of a credit card is defined by the golden ratio. * John Napier, the inventor of logarithms, seldom appeared in public without his pet cockerel. All 3 volumes are in a sturdy cardboard slip case. Condition is very good: would make a nice gift for an aspiring mathematician. At least two volumes include tip-in posters. Titles of the 3 books: Geometry / Algebra to Calculus / Probability Statistics