Page 19 - Excel 2007 Bible

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Contents
Summing Formulas ..................................................................................................................265
Summing all cells in a range............................................................................................265
Computing a cumulative sum ........................................................................................266
Summing the “top n” values............................................................................................268
Conditional Sums Using a Single Criterion................................................................................268
Summing only negative values ........................................................................................269
Summing values based on a different range ....................................................................269
Summing values based on a text comparison ..................................................................269
Summing values based on a date comparison..................................................................270
Conditional Sums Using Multiple Criteria ................................................................................271
Using And criteria ..........................................................................................................271
Using Or criteria ............................................................................................................272
Using And and Or criteria ..............................................................................................272
Chapter 15: Creating Formulas That Look Up Values. . . . . . . . . . . . . 273
Introducing Lookup Formulas ..................................................................................................273
Functions Relevant to Lookups ................................................................................................274
Basic Lookup Formulas ............................................................................................................275
The VLOOKUP function ................................................................................................276
The HLOOKUP function ................................................................................................277
The LOOKUP function ..................................................................................................277
Combining the MATCH and INDEX functions................................................................278
Specialized Lookup Formulas....................................................................................................280
Looking up an exact value ..............................................................................................280
Looking up a value to the left..........................................................................................281
Performing a case-sensitive lookup ................................................................................282
Choosing among multiple lookup tables ........................................................................283
Determining letter grades for test scores..........................................................................283
Calculating a grade-point average ..................................................................................284
Performing a two-way lookup ........................................................................................285
Performing a two-column lookup ..................................................................................286
Determining the cell address of a value within a range....................................................287
Looking up a value by using the closest match................................................................288
Chapter 16: Creating Formulas for Financial Applications. . . . . . . . . . 291
The Time Value of Money..........................................................................................................291
Loan Calculations......................................................................................................................292
Worksheet functions for calculating loan information ....................................................292
The PMT function ................................................................................................293
The PPMT function ..............................................................................................293
The IPMT Function ..............................................................................................294
The RATE function ..............................................................................................294
The NPER function ..............................................................................................294
The PV Function ..................................................................................................294
A loan calculation example ............................................................................................295
Credit-card payments......................................................................................................296
Creating a loan amortization schedule ............................................................................297
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