Support Error Messages Out of Memory Invalid numbers (NAN, INF) Fixed Formulas (Italics) Unboundedness Infeasibility Errors and Exceptions Spreadsheet Formatting Optimization Menu Cell Menu Format Menu Edit Menu File Menu Apple Menu Menus Selecting Cells More About Constraint Cells Changing Values Linearity Reference: Contribution Range Shadow Price Sensitivity Analysis 6) Portfolio Selection 5) Staff Scheduling 4) Cash Flow Analysis 3) Media Selection 2) Blending 1) Product Mix Planning Examples Excel Functions Switcher and Multifinder Optimization Defining the Objective Cell Defining Constraint Cells Defining Adjustable Cells Load Spreadsheet Basic Topics In Summary A Few New Terms How Does it Work? What is Best Answerâ„¢? Introduction Order Information