In a message dated 4/17/2000 3:20:16 PM Eastern Daylight Time, jfm2@club-internet.fr writes: << I know what is CAD but what is CADD? >> I think CAD and CADD are the same difference slightly different acronym. Computer Aided Drawing and CADD is Computer aided drawing and design...might be drafting instead of drawing in both cases i'm not sure. But I think its the same difference.