Archived posting to the Leica Users Group, 2009/01/30
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]http://en.wikipedia.org/wiki/Geometric_progression Cheers Jayanand On Sat, Jan 31, 2009 at 10:38 AM, Alastair Firkin <afirkin@afirkin.com>wrote: > G'day all, > > does anyone know a formula which allows you to calculate a value in a > geometric progression. For example if a number doubles 2.8 times in 10 > years, what will that number be. At the moment the only way I can do it is > "long hand" ie if 10 is going to double 2.8 times then it would be 10 > doubled to 20, twenty doubled to 40 then add 80% of the next double ie 32 > plus the 40 equals 72, BUT is there a formula, so I can put in other times > of doubling. > > Troubled > > Alastair > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >