Nth Root

The nth root of a number is the number needed to multiply by itself ´n´ times in order to get that number. For instance: the 4th root of 3 is 81 because 3 X 3 X 3 X 3 = 81.

TI-89 Dummies

Quotable Quotes:

"The only dummies are those who do not make use of their Dummies books. They are all well written by knowledgable professionals who have a sense of humor."

"I think that these are great books and you should get it right now if you own a Graphing Calculator."