47d7e009$1@news.povray.org...
>>> I tend to use Excel as a function plotter - and it's annoying that 
>>> things like an FFT are so hard to do.
>>
>> The built-in FFT in Excel doesn't work?
>
> Excell has an FFT? Since when? (Or is it in one of the non-default 
> add-ins?)

It's in the Analysis Toolpak which is not turned on by default (but just a 
checkbox away).
http://www.maxim-ic.com/appnotes.cfm/an_pk/3292

It's been there for years I believe (the Analysis Toolpak has been there 
since Excel 95 at least, I'm not sure about FFT itself).

> I didn't realise that uses VB. Oh, wait, I'm thinking about Access...

I don't understand what you're saying... The entire Office suite uses VBA. 
Actually that's one big selling point of Office (for businesses): one can 
automate all the Office applications using the same language and have them 
interact with each other.

G.

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