In Brief

Microsoft Corp. (Redmond, WA) has agreed to acquire business diagramming and technical drawing software manufacturer Visio Corp. (Seattle) in a transaction valued at approximately $1.3 billion....Muse Technologies (Albuquerque, NM), a developer of perceptual computing products, will acquire Virtual Presence Ltd. (London, England), a maker of interactive 3D systems, in a transaction expected to close before the end of the year. Muse has also announced the formation of a subsidiary that will focus on government business operations. The new Muse Federal Systems will operate out of both Albuquerque and Alexandria, Virginia....Mechanical CAD developer Baystate Technologies (Marlborough, MA) is now operating under the name CADKEY Corporation. Baystate acquired the CADKEY product line three years ago and is assuming the new name because of that product`s high visibility, according to company spokespersons....SDRC (Cincinnati) has acquired Enterprise Software Products (Exton, PA), a developer of finite-element modeling software.