Took apart (unscrewed anyway) my Intel roll-up calculator that is no longer working. I see there's a little button battery in there. Since the calculator is over 10 years old, I'd say the battery is dead. It's an AG10 battery which I never heard of before.
Googling, I see it's available from bestofferbuy.com with free shipping. Don't know how they would make money since a 10-pack is $1.50.
Amazingly, I just tested the battery with my Radio Shack tester and it tests as good! So maybe the calculator is bad after all.
So maybe I should just get a new calculator. Or not. I think I'd like a credit card calculator better. Or just use my cell phone..
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