LOOKUP « Lookup Reference functions « Microsoft Office Excel 2007 Tutorial

1.	Introduction
2.	Editing
3.	Format Style
4.	Table
5.	Chart
6.	Formula
7.	Workbook Worksheet
8.	Wordart Clip Art Shape Picture
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10.	Data Analysis
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12.	Security
13.	Collaboration
14.	Database functions
15.	Date Time functions
16.	Engineering functions
17.	Information functions
18.	Logical functions
19.	Lookup Reference functions
20.	Math Trigonometry functions
21.	Statistical functions
22.	Text functions

19.10.LOOKUP
	19.10.1.	LOOKUP looks up values from a one-row or one-column range or an array
	19.10.2.	=LOOKUP(5,A2:A6,B2:B6) looks up 5 in column A, matches the next smallest value (3), and returns the value from column B that's in the same row
	19.10.3.	=LOOKUP(6.66,A2:A6,B2:B6) looks up 6.66 in column A, matches the next smallest value, and returns the value from column B that's in the same row
	19.10.4.	=LOOKUP(0,A2:A6,B2:B6) looks up 0 in column A, and returns an error because 0 is less than the smallest value
	19.10.5.	LOOKUP(lookup_value,array)
	19.10.6.	=LOOKUP("abcd",{"a",1;"b",2;"c",3})
	19.10.7.	=LOOKUP(A3,{3,6,7,8,9},{"F","D","C","B","A"})
	19.10.8.	=LOOKUP(A4,{0,70,73,77,80,83,87,90,93,97},{"F","D+","C-","C","C+","B-","B","B+","A-","A","A+"})

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