COMPUTER SOFTWARE AND SYSTEM COMPRISED OF COMPUTERS, PDAs, DIGITAL TABLETS, AND COMPUTER NETWORK INTERFACE DEVICES FOR USE IN E-BUSINESS PROCESS AUTOMATION, DOCUMENT MANAGEMENT, DATABASE MANAGEMENT, WORKFLOW MANAGEMENT, CREATING E-FORMS, ENCRYPTION, CREATING DIGITAL SIGNATURES AND FOR AUTOMATING BUSINESS PROCESSES SUCH AS PURCHASE ORDER PROCESSING PROCEDURES, ENGINEERING CHANGE ORDER APPROVAL PROCEDURES, ISO9000 CERTIFICATION PROCEDURES, AND FDA DRUG APPROVAL PROCEDURES FOUND IN BUSINESS ENTE...