protist, 1 year ago But they seem to last forever, so there are a ton available in the aftermarket. My TI-89 from 1997 still works like new, and I plan to bequeath it to my son
But they seem to last forever, so there are a ton available in the aftermarket. My TI-89 from 1997 still works like new, and I plan to bequeath it to my son