Quote:
Originally Posted by pennsiveguy
I can remember back in the late '70s torture-testing TI calculators by having them calculate the value of 69! (69 factorial, so 1x2x3x4...x69). It was the largest calculation that a 10-digit calculator would do. I recall it taking several seconds on the first ones that were capable of doing it. Later on, they got faster. I can remember the first graphing calculators getting lots of "ooos" and "ahhhs."
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I totally get it. I bought a TI calculator because it had a factorial key and a square root key. It was great for finite math and statistics. They cost a fortune at the time but totally worth it.
I think this makes us old.