Functions and Directives Functions and Directives

Function Sqrt() Foundation

Calculates square root of a positive number.

Syntax
Sqrt( <nValue> ) --> nSquareRoot
Parameters
<nValue>
<nValue> is a positive numeric expression whose square root is calculated.
Return

Sqrt() returns the square root as a numeric value. The number of decimal places displayed in the result depends only on the setting SET DECIMALS and not on SET FIXED. When the value of <nValue> is negative, zero is returned.

Description

Sqrt() is a mathematical function used in numeric calculation to determine the square root (for example in statistical evaluations calculating variances and standard deviations).

Examples
Sqrt() 
// The example shows various results of the function Sqrt() 

PROCEDURE Main 

   SET FIXED OFF 
   ? Sqrt( 2 )                      // result:   1.41 
   ? Sqrt( 10 )                     // result:   3.16 
   ? Sqrt( 100 )                    // result:  10.00 
   ? Sqrt( 1000 )                   // result:  31.62 
   ? Sqrt( 10000 )                  // result: 100.00 

   SET DECIMALS TO 6 
   ? Sqrt( 2 )                      // result:   1.414214 
   ? Sqrt( 10 )                     // result:   3.162278 
   ? Sqrt( 100 )                    // result:  10.000000 
   ? Sqrt( 1000 )                   // result:  31.622777 
   ? Sqrt( 10000 )                  // result: 100.000000 

RETURN
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