This week's giveaway is in the Android forum. We're giving away four copies of Android Security Essentials Live Lessons and have Godfrey Nolan on-line! See this thread for details.

Do you know what a square root is? If not, here is a definition: 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.

Tell me, Mr. Anderson, what good is a phone call when you are unable to speak?

Marilyn de Queiroz
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Joined: Jul 22, 2000
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You can substitute a different number for 25.0 to see the square root of another number. The square root of 9 is 3. The square root of 100 is 10.