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using factorial in probability question
10-02-2017, 08:48 PM
Post: #20
RE: using factorial in probability question
(10-02-2017 02:42 PM)Tim Wessman Wrote:  
(10-02-2017 12:07 PM)Joe Horn Wrote:  I also agree with toml_12953: Prime should give an overflow message of SOME sort, or at least offer options related to it (like the RPL models do). Meanwhile, being aware of how the machine works internally should help avoid unexpected results.

Which RPL models are you referring to and which options? I'm not aware of any that don't just overflow silently.

Actually, all the RPL models (28/48/49/50) have a flag that lets overflows generate an error. IIRC, it's flag 58 in the HP 28, and flag -21 in the HP 48/49/50. That flag is clear by default, which is why overflows normally generate MAXR silently. But when that flag is set, the calculator beeps and says "Overflow" and stops execution (MAXR is not returned). Needless to say, I keep that flag set.

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RE: using factorial in probability question - Joe Horn - 10-02-2017 08:48 PM

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