Spotted a decimal point speed limit sign and wondered if it was real? Here's the purpose of them and what you should do. The ...

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 ...

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 ...

Kevin Lieber of Vsauce2 explores how a small decimal point transformed the entire mathematical landscape.

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 ...

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 ...

Decimal places are counted from the decimal point. The number 3 ∙728 is written to three decimal places. The number 5.714 has three decimal places – 3 digits after the decimal point. The number ...