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 ...

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 ...

The process of comparing and ordering decimals is similar to the process of comparing and ordering whole numbers. You must use your knowledge of place value and know how to find which digit is ...

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 ...

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 ...

Decimals are a way of representing numbers that are not whole. When 1 is divided into 10 equal parts, they are called tenths. Tenths can be represented as decimals: One tenth = \( \frac{1}{10} \) = ...

Historians have discovered what may be the world's first decimal point, in an ancient manuscript written 150 years before its next known appearance. There have been many ways to split integers, but ...

The humble decimal point may have been invented about 150 years before we previously thought. Experts had previously credited German mathematician Christopher Clavius for the innovation, but according ...

James L. of Brooklyn, NY is the creator of the Division-Decimal Table, a visual teaching tool designed with math teachers and young students in mind. The device is comprised of a standard table, like ...

On the appearance of the first section of this important book, it is appropriate to give some account of the evolution of logarithmic tables. Logarithmetica Britannica: being a Standard Table of ...