1. A server computer adapted to interface with an accounts payable system and responsive to an image of an invoice for entering data on said invoice into said accounts payable system, said accounts payable system including a plurality of data fields, comprising: a first storage apparatus responsive to said image of said invoice adapted for storing said image of said invoice therein; a conversion apparatus adapted for retrieving said image of said invoice from said first storage apparatus and converting said image into a digitized image, said digitized image including a plurality of data characters placed in selected locations; a reading apparatus adapted for reading the plurality of data characters in said selected locations of said digitized image; and a transferring apparatus adapted for transferring the plurality of data characters read from said selected locations of said digitized image into corresponding ones of said plurality of data fields of said accounts payable system.