I understand this intellectually, but it still makes me sad. I had to reach down into my bag, to check the number on mine: TI-85. I actually use mine occasiona

I understand this intellectually, but it still makes me sad. I had to reach down into my bag, to check the number on mine: TI-85. I actually use mine occasionally. When my original one died, I picked up a used on amazon. I think I know how my old science teacher who kept a slice rule in his shirt pocket felt........