Changes

One ordinary dictionary says:

One ordinary dictionary says:

square root NOUN: A divisor of a quantity that when squared gives the quantity. For example, the square roots of 25 are 5 and -5 because 5 × 5 = 25 and (-5) × (-5) = 25[http://www.bartleby.com/61/26/S0682600.html AHD online].

square root NOUN: A divisor of a quantity that when squared gives the quantity. For example, the square roots of 25 are 5 and -5 because 5 × 5 = 25 and (-5) × (-5) = 25 [http://www.bartleby.com/61/26/S0682600.html AHD online].

Another says:

Another says:

Main Entry: square root

Main Entry: square root

Function: noun

Function: noun

: a factor of a number that when squared gives the number <the square root of 9 is ±3>{http://www.m-w.com/dictionary/square%20root Merriam-Webster online)

: a factor of a number that when squared gives the number <the square root of 9 is ±3> [http://www.m-w.com/dictionary/square%20root Merriam-Webster online]

Wolfram's ''Mathworld'' site, which I've found to be very good, has a long article on [http://mathworld.wolfram.com/SquareRoot.html square root], which opens by saying

Wolfram's ''Mathworld'' site, which I've found to be very good, has a long article on [http://mathworld.wolfram.com/SquareRoot.html square root], which opens by saying