Archived posting to the Leica Users Group, 2009/01/30
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Alastair, Use the following: http://www.intmath.com/Series-binomial-theorem/2_Geometric-progressions.php I have no idea how to get subscripts and superscripts on a mail, and hence the link. Cheers Jayanand On Sat, Jan 31, 2009 at 10:51 AM, Alastair Firkin <afirkin@afirkin.com>wrote: > Looked at that, but the actual formula you use is not clear to a bunny like > me ;-( > > --- jayanand@gmail.com wrote: > > From: Jayanand Govindaraj <jayanand@gmail.com> > To: Leica Users Group <lug@leica-users.org> > Subject: Re: [Leica] Need help with formulae > Date: Sat, 31 Jan 2009 10:46:05 +0530 > > 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 > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >