Re: OT: coins and currency (was: [Theory] Types of numerals)
From: | John Vertical <johnvertical@...> |
Date: | Saturday, January 7, 2006, 0:02 |
>Of course, it shouldn't take much math to prove that the most optimal
>system would have units of 1, 2, 4, 8, 16, 32, etc., provided of course
>that the general populace could be made sufficiently familiar with the
>concept.
>
>
>Paul
That's assuming you don't want to get change. If change is OK, powers of 3
are more efficient. Eg. if the buyer has one coin each of 1, 3, 9 and 27
monetary units, and the seller one each of 1, 3 and 9, any price up to 40
units can be paid.
John Vertical