Quick Circuit is a collection of routines for everyday lab type circuit analysis and design, all in one place. Don't look for the color codes, because if you need them you most likely don't need Quick Circuit. Registration is just $20 and I will include the next revision without any nag screens: Thank you LeeAnn Connors 9 Trot Road Littleton, MA 01460 Please send comments to LeeC15@AOL.COM _____3.5" _____5.25"