Hello, A friend gave me an old TI-59 calculator. It still works when connected through it's power supply. However the battery pack is missing. Does anyone know where I might find one? Or perhaps what the specs are for it so I can build one? Thanks, Kirk -- Kirk Mueller NOSPAMkirkm2506@earthlink.net (Remove NOSPAM to reply) Southern California, USA Personal Page: http://home.earthlink.net/~kirkm2506