!CHAPTER Numeric functions

AQL offers some numeric functions for calculations. The following functions are
supported:

- *FLOOR(value)*: Returns the integer closest but not greater to *value*

- *CEIL(value)*: Returns the integer closest but not less than *value*

- *ROUND(value)*: Returns the integer closest to *value*

- *ABS(value)*: Returns the absolute part of *value*

- *SQRT(value)*: Returns the square root of *value*

- *RAND()*: Returns a pseudo-random number between 0 and 1