OK, time for another quick delve into my calculator collection: it’s the Casio fx-98. This particular one is interesting for a few reasons: first is it’s a scientific calculator, albeit not RPN; second, it’s the size of a credit card, even though it’s thicker; third, it’s solar powered – no batteries to worry about; and finally, Casio licensed it out to Radio Shack who produced the equivalent under their own name. […]
READ MORE