Polar makes a reliable and accurate Impedance calculator. Polar Instruments Inc. 316E. Bellevue Avenue San Mateo, CA 94401 Tel: (800)328-0817 Fax: (650)344-7964 Email: [log in to unmask] www.polar.co.uk Rgds, Brian >>> Tuan Le <[log in to unmask]> 11/17 7:35 AM >>> Hi Technetters, I am looking for a reliable and affordable impedance modeling program and would appreciate everyone's inputs. Thank you in advance. Tuan Le ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################