Little explorations with HP calculators (no Prime)

04102017, 08:00 AM
(This post was last modified: 04102017 08:02 AM by pier4r.)
Post: #172




RE: Little explorations with the HP calculators
new day, new problem (trivial for all of you but me).
Now I did solve this iteratively (and I checked the f(3) with the two combinations that I could build, the result is a "small" prime number). Is there a way to solve it in a more general way, without computing every single step? Also what happens if I ask for f(1.5) ? I do not have ways to compute this, like information is missing. Is there a way to solve it on the 50g (or other nonprime calculators?)? I could not identify any useful built in procedure. Wikis are great, Contribute :) 

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