Frank King <[email protected]> wrote: > > I have often pondered an even more primitive question: I am dumped on a > desert island and I want to count the days since I arrived. What > discipline should I follow? > > I could, of course, cut a notch in a stick every morning when I first > wake up but what happens when one day, around noon, I think "Oh, er, did > I cut today's notch?" > > Can someone please come up with an error-detecting and error-correcting > approach.
Three notches per day, for dawn, noon, and dusk, with distinct shapes for each kind of notch? Tony. -- f.anthony.n.finch <[email protected]> http://dotat.at/ - I xn--zr8h punycode Biscay: Westerly 5 in north, otherwise variable 3 or 4. Moderate, occasionally rough. Drizzle, fog patches. Moderate, occasionally very poor. --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
