XperCASE A structure diagram editor for developing, re-engineering, maintaining and documenting programs, developed by {Siemens} AG, Austria. It runs under {Microsoft Windows}. {(ftp://src.doc.ic.ac.uk/computing/systems/ibmpc/simtel/windows3/xperspx1.zip)}. E-Mail: <[email protected]>. (1994-12-01)