Schematic drafting, printed circuit layout, simulation. Readers: 8900 (0.2%) {41%} Mesgs per month/day: 311/10 {38%} Crossposting: 23% {66%} Megs per month/day: 0.5/0.017 {41%} Sites reciving this Group: 57% Cost ratio ($US/month/rdr): 0.03