Explore the etymology of Greek numbers, their origins, meaning, and their influence on mathematics and ancient Greek culture.

Most of us have little trouble working out how many millilitres are in 2.4 litres of water (it’s 2,400). But the same can’t ...

- a system used by libraries to classify nonfictional publications into subject categories; the subject is indicated by a three-digit numeral and further specification is given by numerals following a ...

NPR's Scott Simon talks to math historian Glen Van Brummelen about his finding that the decimal point appeared in the 1440s, earlier than thought. How did the decimal point come to be? - the dot that ...

- a system used by libraries to classify nonfictional publications into subject categories; the subject is indicated by a three-digit numeral and further specification is given by numerals following a ...

A storage mode that places two decimal digits into one byte, each digit occupying four bits. The sign occupies four bits in the least significant byte. THIS DEFINITION IS FOR PERSONAL USE ONLY. All ...

A book classification system for libraries that was created by Melvil Dewey in the 1870s and copyrighted in 1876. Used to this day in thousands of libraries worldwide, mostly for non-fiction content, ...