I have an HP-21 and a 25C. For over 20 years,
I've used a slightly modified
battery pack, modified only in that the individual NiCd's are removable and
easily replaced. This was done in about 15 seconds with an Exacto knife. The
batteries are easily exchanged if they go south, but I often use alkaline
batteries if I really need to, with no ill effects yet.
I did the same thing with my sister's HP21 (which I used, gave back and
she lost 8-()
Boy I wish I still had that calculator.
Bill Gates is a Persian cat and a monocle away from being a
villain in a James Bond movie -- Dennis Miller