| sqrt |  Math functions | 
| SYNTAX | sqrt( NUMBER ) sqrt( ARRAY ) | 
| RETURNS | NUMBER, ARRAY | 
| FUNCTION | Calculates the square root of NUMBER or ARRAY. The square root of a negative number always returns a zero result. | 
| EXAMPLE | The formula "sqrt( 16 )" returns 4 | 
| SEE ALSO | 
The sqrt function is used in the following formulas in AFL on-line library:
See updated/extended version on-line.