A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed ...

A small clay tablet from the site of Kish in Iraq reveals a student calculated the area of a triangle incorrectly 4,000 years ago. When you purchase through links on our site, we may earn an ...

One part of this was computing what the Babylonians called goal-years: the number of years it ... Instead, they used a sexagesimal system, with units of 60. Babylonian observations were so ...

Elsewhere he has given us for the first time a rational account of the vicissitudes undergone by the Chinese system of writing ... to have proved in a typical number of instances that the ...

The math puzzle “Imagine there’s no zero” challenges readers to use mathematician James Foster’s number system, which uses T to avoid a zero symbol. Reader Bill Torcaso found the number ...