The 2,300-year-old matrix is the world's oldest decimal multiplication table. From a few fragments out of a collection of 23-century-old bamboo strips, historians have pieced together what they say is ...

In addition to its basic spreadsheet functions, Microsoft Excel also allows writing formulas to perform functions on existing data. Using a quick equation, you can convert an existing set of time data ...

In every number, each place to the left is 10 times greater and each place to the right is 10 times smaller. The decimal point separates the whole numbers from the parts (or fractions) of a number. An ...

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 ...

The origins of the decimal point, something millions of people use daily, may be much older than we first thought. It was initially considered to have originated in 1593, having been used by German ...

Fractions and decimals are both ways of representing parts of a whole. Even though they look different, a fraction can have the same value as a decimal and a decimal can have the same value as a ...