The United States has some pretty strange road signs. These speed limit signs with decimal points serve a very practical ...

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 ...

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. The decimal point was in use 150 years before ...

A recent discovery of documents dating back to the 15th century in Italy sheds new light on the history of the decimal point, revealing that this key element of mathematics was used much earlier than ...

The decimal point was invented around 150 years earlier than previously thought, according to an analysis of astronomical tables compiled by the Italian merchant and mathematician Giovanni Bianchini ...

There’s really no such number as “point three seven five.” Yet that’s how a lot of students say .375, and a big reason for this is that’s how a lot of teachers say it--including me until I realized ...

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 ...

How did the decimal point come to be? - the dot that divides whole numbers. Historians are revising its origin story. Glen Van Brummelen studies the history of math and astronomy at Trinity Western ...