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 ...

If you're using Excel to calculate monetary values, then you only have to worry about two decimal places in your numbers. Aligning your numbers to the right automatically lines up the decimal points ...

Microsoft's Visual Basic programming language has variable types for three different kinds of numbers: integer, floating-point and decimal. Integer variables range from a short 2-byte format to a long ...

This decimal clock was made by Pierre Daniel Destigny in Rouen, France, between 1798 and 1805. | DeFacto, Wikimedia Commons // CC BY-SA 4.0 Everybody knows that there are 24 hours in a day, 60 minutes ...

Is the Dewey Decimal system dying out in public libraries? The Dewey Decimal Classification system has been used in U.S. libraries since the 1870s when Melvil Dewey developed it and put his name on it ...