Here are a couple, not necessarily in order of importance.

Microsoft Office web components
..NET charting
Dundas

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Regards
Alvin Bruney
[Shameless Author Plug]
The Microsoft Office Web Components Black Book with .NET
available at www.lulu.com/owc
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"uriel78" wrote in message
...
I'm looking for an excel add-in that works like miner3d software (see
http://miner3d.com/products/)

I'd appreciate any suggestion...tia