KOSMOS-1

From: Reinhardt Elster
Email: reinhardt.elster@verizon.net

Comments

I have a KOSMOS-1 that is in working condition, however, it does not work past 2000. Is there a way to update this calculator so that I can continue using it? Or is there a newer generation model available for the 21st Century, and if so, where can I aquire one?