>>No, this should be rtrim(padr(xxx,100))
>
>
>Why, if I may ask ??
>

AFAIK transform has a bug related with SET FIXED (or SET DECIMALS).

That's why PADR solution is preferrable. I wanted to even suggest it, but was not sure about the retrieval part.

>>
>>>(2) get it back
>>>yyy = eval(retrieved from reg)
>>>
>>
>>Good idea.

EVALUATE, I hope, would work, though I'm not 100% sure here either.