Microsoft Office Tutorials and References
In Depth Information
Functions Relevant to Lookups
Figure 8-2: Using VLOOKUP to look up a tax rate.
The lookup table resides in a range that consists of three columns (D2:F7). Because the third
argument for the VLOOKUP function is 3, the formula returns the corresponding value in the third
column of the lookup table.
Note that an exact match is not required. If an exact match is not found in the first column of the
lookup table, the VLOOKUP function uses the next largest value that is less than the lookup
value. In other words, the function uses the row in which the value you want to look up is greater
than or equal to the row value, but less than the value in the next row. In the case of a tax table,
this is exactly what you want to happen.
The HLOOKUP function
The HLOOKUP function works just like the VLOOKUP function except that the lookup table is
arranged horizontally instead of vertically. The HLOOKUP function looks up the value in the first
row of the lookup table and returns the corresponding value in a specified table row.
The syntax for the HLOOKUP function is
HLOOKUP(lookup_value,table_array,row_index_num,range_lookup)
The HLOOKUP functionâ€™s arguments are as follows:
h lookup_value: The value that you want to look up in the first row of the lookup table.
h table_array: The range that contains the lookup table.
h row_index_num: The row number within the table from which the matching value is
returned.
h range_lookup: Optional. If TRUE or omitted, an approximate match is returned. (If an
exact match is not found, the next largest value less than lookup_value is used.) If FALSE,
VLOOKUP searches for an exact match. If VLOOKUP cannot find an exact match, the
function returns #N/A.
If the lookup_value argument is text (and the fourth argument is FALSE), you can use
the wildcard characters * and ?. An asterisk matches any number of characters, and a
question mark matches a single character.

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