4 ms·
Casio FX3600P, circa 1986. The best part ? I've never changed the battery. I also haven't used it in 25 years+, but I just checked and it still works. Oh, and
by muststopmyths 6y ago
Casio FX3600P, circa 1986. The best part ? I've never changed the battery. I also haven't used it in 25 years+, but I just checked and it still works.
Oh, and I also have the manual, because I hoard those for every device I buy.
http://www.calcuseum.com/SCRAPBOOK/BITMAP/BONUS/12180/_SMD12180_XL.htm http://www.calcuseum.com/SCRAPBOOK/BITMAP/BONUS/12180/_SMD12...