I recenlty wrote a posting in search of an unusal power cord and some missing keys for a Compucorp 140 calculator. After contacting many collectors on the net who didn't know of a source for the cord, I found one at a shop in California. If anyone's interested they can be bought unused for $8 at: Mercury Document Imaging Company, Inc. Joel F. Volk (818) 782-1221 www. PanasonicCopiers.com (Office Systems) www.MercuryBizSupplies.com (Office Supplies) "power cord (fits 1 in dia socket with 3 pins in equilateral triangle on 3/8" spacing), 'chg sign' key, 'reset' key and the key with 2 bell shaped curves on it (or a complete junk unit)". Mitch Billian