Call Excel xla function in VB (MS Access)

I want to call Excel xla functions in MS Access. For example: CUMPRINC function (you need to enable Excel Analysis ToolPak-VBA first) =CUMPRINC(5,5,5,5,5,0) =-4.1672 We want to call "cumprinc()" function in MS Access we tried follows, but both didn't work 1) Public Function xx(rate As Double, nper As Double, pv As Double, start As Double, endd As Double, typee As Long) As Double xx = [login to view URL]("cumprinc", rate, nper, pv, start, endd, typee) End Function 2) [login to view URL](rate, nper, pv, start, endd, typee) ## 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. ## Platform MS Office XP or Office 2003, Office 2000