Performance becomes an issue with large datasets too. A poorly written macro can bog down Excel and take forever to complete, ...

Excel-DNA - see http://excel-dna.net - is an independent project to integrate .NET with Excel. With Excel-DNA you can make native (.xll) add-ins for Excel using C# ...

This project gives you the ability to perform 2D structural analysis on frame, truss, and beam structures using Visual Basic for Applications within Microsoft Excel. xlFrame uses the direct stiffness ...