Page 27 - Excel 2007 Bible

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Contents
Inspecting a workbook....................................................................................................547
Using a digital signature..................................................................................................548
Getting a digital ID ..............................................................................................548
Signing a workbook..............................................................................................548
Chapter 32: Making Your Worksheets Error-Free . . . . . . . . . . . . . . . 551
Finding and Correcting Formula Errors ....................................................................................551
Mismatched parentheses ................................................................................................552
Cells are filled with hash marks ......................................................................................552
Blank cells are not blank ................................................................................................553
Extra space characters ....................................................................................................553
Formulas returning an error............................................................................................554
#DIV/0! errors ......................................................................................................554
#N/A errors ..........................................................................................................555
#NAME? errors ....................................................................................................555
#NULL! errors ......................................................................................................555
#NUM! errors ......................................................................................................556
#REF! errors ........................................................................................................556
#VALUE! errors ....................................................................................................556
Absolute/relative reference problems ..............................................................................556
Operator precedence problems ......................................................................................557
Formulas are not calculated ............................................................................................558
Actual versus displayed values ........................................................................................558
Floating point number errors..........................................................................................559
“Phantom link” errors ....................................................................................................560
Using Excel’s Auditing Tools......................................................................................................560
Identifying cells of a particular type ................................................................................560
Viewing formulas............................................................................................................562
Tracing cell relationships ................................................................................................562
Identifying precedents ..........................................................................................563
Identifying dependents ........................................................................................564
Tracing error values ........................................................................................................564
Fixing circular reference errors........................................................................................564
Using background error-checking feature........................................................................564
Using Excel Formula Evaluator ......................................................................................566
Searching and Replacing............................................................................................................567
Searching for information ..............................................................................................567
Replacing information ....................................................................................................568
Searching for formatting..................................................................................................568
Spell Checking Your Worksheets ..............................................................................................569
Using AutoCorrect ....................................................................................................................570
Part V: Analyzing Data with Excel 573
Chapter 33: Using Microsoft Query with External Database Files . . . . . 575
Understanding External Database Files......................................................................................575
Importing Access Tables............................................................................................................576
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