MS Word 2007 Built-in Equation Editor

I want to create a new Word 2007 document (.docx) and populate it with 100 equations. Attached is a code snippet from a .NET 2005 Word Addin Project (available when you download and install Visual Studio Tools for Office - VSTO). The code in the snippet simply loops 100 times and inserts an equation into Word on each loop. It then calls the BuildUp method which formats the equations. The problem is that the BuildUp method takes too long (about 10 min for 100 equations). We want a solution that populates Word 2007 with equations faster. (within 30 seconds for 100 equations) No chancers please! This is only for developers experienced in MS Office integration. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Windows XP, Office 2007, VB.NET 2005