The Excel Object Model. Saving (Opening) In (From) Different File Formats. Hiding And Unhiding Workbooks. Worksheets.  Columns And Rows. Cells And Ranges. Data Entry Form. Reducing Errors In Data Entry Validation & Autocorrect. Using Fill And Other Tools To Save On Typing Time. Formatting Cells And Ranges.  Printing And Page Setup. Conditional Formatting. Shortcuts. Default Options. Customizing The Buttons Or Icons In The Toolbar. Placing/Removing Individual Icons On/From The Toolbar. Using The Help And Office Assistant. Sharing Workbooks & Online Collaboration. Highlighting, Tracking & Reviewing Changes. Password Protection. Inserting Comments.  Hyper linking.  Linking & Embedding Objects. Writing Formulas. Copying/Cutting And Pasting Formulae.  Paste Special.  Inserting Functions. Text Functions .Date And Time Functions. Mathematics, Trigonometry, And Engineering Functions. Logical & Information Functions. Smart Functions That Respond To Formula Result.  Loan Repayments. Discount Cash Flows .Securities Functions. Functions For Basic Statistics. Probability Density Functions And Confidence Intervals.  Other Mathematics & Statistics Functions.  Tracing Cell References & Debugging Formula Errors. Nested Functions.  Add-Ins: Enhancing Excel. Statistics Tools. Hypothesis Testing. Regression.  Other Tools For Statistics. The Solver Tool For Constrained Linear Optimization.  Recommended Add-Ins. Sorting. Scenarios And Goal Seek.Filtering. Subtotals. Pivot Reports.  Linking To A Database. Reading ASCII Text Data. Saving Or Transforming To Web And Other Formats. Selecting Cells/Content That Satisfy A Criterion.