See also the Dr. Math FAQ: 3D and higher Browse Middle School
History/Biography Stars indicate particularly interesting
answers or good places to begin browsing. Selected answers to
common questions: About Roman numerals. - Memory Aid for Roman
Numerals [05/10/2000] What number is XLIII? Do you have a way of
remembering what letter equals - Millennium and the Year 0
[01/03/1999] I know that they new millennium really begins in
2001 because there was no year 0. Why did they skip that year in
the numbering? - A Mule and a Donkey [04/08/1999] A famous
Euclidean brainteaser. - Names of Polynomials [05/22/1999] Why
is an equation having only two roots, one of which is raised to
the second power, called a quadratic equation? - Naming Large
Numbers [06/05/2002] In Rowlett's site for naming large numbers,
he seems to take every American prefix and bump its meaning by
one to get the corresponding Greek-based prefix. Why? - Naming
Small Numbers [07/29/2002] Why were the names 'one', 'two',
'three', and so on, given to