sqrt(x) * sqrt(x) = x
http://wiki.answers.com/Q/What_is_the_formula_for_...

The square root formula is sqrt(x+iy) unless x = ?r and y = 0. Anything else?
http://www.chacha.com/question/whatisthesquare...

Multiplying square roots is pretty simple. All you have to do is multiply the numbers under the square root sign together. You can then put the square root sign back over them and
http://www.ask.com/webanswers/Science/Mathematics...

There is a method for finding square roots. Strictly speaking, it is called an algorithm, not a formula. to find square root of 30, take a guess, say 6. 30/6 = 5. now take the average
http://answers.yahoo.com/question/index?qid=201002...
