Numbers are numbers. Their format is determined on output. See sprintf.

If you want to use strings, then use strings.

$SM = "0xFE";

print $SM;

[download]

Of course, for strings, there is no numeric addition. Maybe you want to tell us more about your use case.

In reply to Re: I need Hex conversion, not! by Corion
in thread I need Hex conversion, not! by Anonymous Monk

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