# Math.sqrt ?

Adam Polak

Greenhorn

Posts: 23

Marilyn de Queiroz

Sheriff

Posts: 9079

12

posted 14 years ago

static double sqrt(double a)

Returns the correctly rounded positive square root of a double value. API for Math class

Returns the correctly rounded positive square root of a double value. API for Math class

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Jack Coleman

Ranch Hand

Posts: 32

posted 14 years ago

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.

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.

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Marilyn de Queiroz

Sheriff

Posts: 9079

12

posted 14 years ago

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.

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.

"Yesterday is history, tomorrow is a mystery, and today is a gift; that's why they call it the present." Eleanor Roosevelt

Robbie shi

Greenhorn

Posts: 28

posted 14 years ago

Static double sqrt(double)

output the square root

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Robbies

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1.java IDE tool : JawaBeginer

2.Java Jar tool : JavaJar

http://www.pivotonic.com

output the square root

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Robbies

-----------------------------

1.java IDE tool : JawaBeginer

2.Java Jar tool : JavaJar

http://www.pivotonic.com