hex to decimal conversion issue

[newmemeber123]

hello, 

iam converting hex to decimal then adding 15 to it then again converting decimal to hex.

so initially hex number is 00 then im adding 15 to it then im getting F which is also correct  but i should get 0F answer. is it possible to do it?

thanks in advance vi is attached 

[crossrulz · Accepted solution]

When you convert back to an ASCII Hex, you need to specify the length of the resulting string.  There is an input called "width" on the Number To Hexidecimal String that you need to set to 2.

[altenbach]

How much do we know about the input string? For example, is the first string always exactly one character? Is it always "A"? Does the number always start out with 00? What should happen if the input is AFF and you add 15?

Maybe all you really need is this: