#lang mzscheme (require (prefix geo: "geometry/installer.ss") (prefix color: "colors/installer.ss") (prefix draw: "draw/installer.ss") (prefix idraw: "idraw/installer.ss") (prefix graph: "graphics/installer.ss")) (provide installer) (define (installer plthome) (geo:installer plthome) (color:installer plthome) (draw:installer plthome) (idraw:installer plthome) (graph:installer plthome))