Bug or Not? Taking STRING of a string whilst making leading zeros

[Didier Lachieze]

Here is a version without the limitation of NZ<12:

Code:

EXPORT NZEROS(NZ)
BEGIN
 RETURN CAS("tail(string(10^NZ))");
END;

(01-30-2018 02:28 PM)Joe Horn Wrote:  Warning #2: In CAS programs, be sure to use the newer, smarter function STRING(), not its older, dumber sibling string(). Thankfully, Home always uses STRING().

What's the difference between the two functions?