4D v18

Square root

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4D v18

4D Language Reference

Math

Square root


Square root ( number ) -> Function result

Parameter	Type	Description
number	Real	Number whose square root is calculated
Function result	Real	Square root of the number

Description

Square root returns the square root of number.

Example 1

The line:

$vrSquareRootOfTwo :=Square root(2)

assigns the value 1.414213562373 to the variable $vrSquareRootOfTwo.

Example 2

The following method returns the hypotenuse of the right triangle whose two legs are passed as parameters:

  ` Hypotenuse method

  ` Hypotenuse ( real ; real ) -> real

  ` Hypotenuse ( legA ; legB ) -> Hypotenuse

 C_REAL($0;$1;$2)

 $0:=Square root(($1^2)+($2^2))

For instance, Hypotenuse (4;3) returns 5.