I can't get draw2d line_type = dots to work ; just get a solid line. my context is the ver 5.13, winxp, code: doplot():= block([numer,p1], numer:true, p1: [ [0,0],[5,5] ], draw2d(points_joined = true, line_type = dots, points(p1) ) )$ TIA Ted Woollett