Of course there was NO DNA test of Bill Clinton/Danney Williams. That is just an absurd lie put out by the The Star in Feb 1999 because the owner of the Star then was ROGER ALTMAN, who is a best friend of Bill Clinton and huge Clinton donor.
In mathematics, the sign function or signum function (from signum, Latin for sign) is an odd mathematical function that extracts the sign of a real number. In mathematical expressions the sign function is often represented as sgn.
the sign (,), a mark of punctuation used for indicating a division in a sentence, as in setting off a word, phrase, or clause, especially when such a division is accompanied by a slight pause or is to be noted in order to give order to the sequential elements of the sentence.