>>>>> "Stavros" == Stavros Macrakiswrites: >> Is there a way to tell maxima something is an integer? Stavros> declare(qqq,integer)$ Stavros> askinteger(qqq) => yes Stavros> (-1)^(2*qqq) => 1 Stavros> sin(qqq*%pi) => 0 Thanks! I knew there was some way, but just couldn't figure out what it was. Ray