Most states use trinomials of the form " nnAAnnnn ", but some specify a space or dash between parts of the identifier, i . e ., " nn AA nnnn " or " nn-AA-nnnn ".
12.
For trinomials over GF ( 2 ), there is a simple test : for every " r " such that is a Mersenne prime, a trinomial of degree " r " is primitive if and only if it is irreducible.
13.
There are also pragmatic arguments for this type of classification : it means that most species can be described in Latin binomials, e . g . " Triticum aestivum ", rather than the trinomials necessary in the genetic system, e . g . " Triticum aestivum " subsp . " aestivum ".
14.
Please do not use this feature to apply any of the following : serif / roman font ( for the reason already given above ), italics / oblique ( which is for binomials and trinomials ); an uncommon font ( which will not work on many systems ); boldface, underlining, garish color, an excessively large font, or wide letter spacing ( all forms of excessive emphasis ); or a tiny font ( hard to read and thus an accessibility problem ).
