Speed of the hp calculators family

[Dave Britten]

(03-05-2016 10:12 PM)Jim Horn Wrote:  Good point. But today's speeds are a real help. I worked hard to get the HP-67 to be able to factor any input value within its integer range (up to 10^10). The worst case, 9999999967, took about 3 3/4 hours as I recall. And its battery pack seldom lasted that long on a charge.

That the WP 34s can do that in a fraction of a second is *very* much an improvement!

Was it the venerable mod 30 seive, or something craftier? Would be a good test for my DM-41L. I wonder if it can get power from the USB port...