[Leica] Need help with formulae

[jayanand at gmail.com (Jayanand Govindaraj)]

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
> >
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> >
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