Returns a zoned decimal representation of a number.
The first argument must be a number. The second argument is optional and must be in the range of 1 to 31. The third argument is also optional and must be in the range of 0 to p, where p is the second argument. Omitting the third argument implies a specification of 0.
Example:
Assume column Z1 has a value of 1.123.
ZONED(Z1,15,14)
Returns the value 1.12300000000000.