I believe this is one of computing's oldest bugs. It used to be compared=20 to counting fence posts. It is best remembered as N +1. Of course you=20 will eventually encounter a circular buffer and find you have a leftover=20 fence post... John On 8/22/2014 11:15 AM, RussellMc wrote: > On 23 August 2014 02:49, David C Brown wrote: > >> Yes there are eight keys in an octave but inly seven intervals between >> keys. Since an "octave" is an interval made up of those seven smaller >> intervals it would logically be called ot a septade or heptade. To cal= l >> it an octave is as logical as saying that a fence with eight posts a met= re >> apart is eight metres long. >> > > And how many keys are there in two octaves ? :-) > > > R --=20 John Ferrell W8CCW Julian NC 27283 It is better to walk alone, than with a crowd going the wrong direction. --Diane Grant --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .