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Office Web Components are a set of Active-X components that work in conjunction with XML coding on web pages to provide an impressive interactive spreadsheet capability. Unless you know for certain that the OWC components are installed on your machine (the file might be on the computer but not installed), you might try going to the Microsoft webpage and download and install the OWCs. A couple people have written in the past with a similar problem and this has solved it.
A couple sample screen shots of what you are missing are included below. Many more calculators will be provided in the future. As is typical of Microsoft, they require that you own an Office 2002 (XP) product to receive the license for OWC. The least expensive method is to upgrade only your current version of Excel (<$100). Download the OWC from Microsoft by clicking here.
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