Publishedby:JohnWiley&Sons,Inc.,111RiverStreet,Hoboken,NJ07030-5774,www.wiley.comCopyright©2019byJohnWiley&Sons,Inc.,Hoboken,NewJerseyPublishedsimultaneouslyinCanadaBelieveitornot,AutoCADisalmost40yearsold,havingbeenborninDecember1982,whenmostpeoplethoughtthatpersonalcompu
