Slide # 23 : 2007 and 1972 Calculators

2007 and 1972 Calculators

It probably already has more calculators than people, even though the first scientific calculator, the HP-35, came out in 1972 at $395 - the same price as my new Eee PC, and like my Eee PC, needed to be recharged after 3 hours. The one on the left has more functions, runs for months from button-sized watch batteries, and cost $1.25...