The Story of Numbers explores the history of mathematics to trace the rise of various number systems in cultures from Mesopotamia to the modern Computer Era. It is not a traditional history of mathematics or a history of mathematicians. Instead it focuses on the different number systems and calculation methods that evolved in time in different cultures. It describes how the needs of these cultures influenced the development of numbers and early mathematics and how the mathematics in turn influenced the cultures. All civilisations had some counting methods but only cultures that needed elaborate calculations to predict the calender and…