Odd HP65 OCT to DEC behaviour

[Thomas Okken]

(09-07-2019 12:11 AM)teenix Wrote:  

(09-06-2019 10:13 PM)Dave Britten Wrote:  Sounds more like "validating your nonsensical inputs isn't worth the required space in ROM" to me.

Do D.MS+ and f-1 ->D.MS do similarly odd things if you feed in 60 or more minutes or seconds?

90 Hr + 1Hr 75min = 92Hr 15min
90.0000 ENTER 1.7500 D.MS+ 92.1500

1Hr 75min = 2Hr 15min

1.7500 F-1 D.MS-> 2.2500
2.2500 F D.MS-> 2.15

cheers

Tony

How about 9502 September 1993?