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# Look up functions

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• In other words, if an exact match is not found, the next largest value that is less than lookup_value is returned. If FALSE, HLOOKUP will find an exact match. If one is not found, the error value #N/A is returned.
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• 1.  LOOKUP looks in a one-row or one-column range(known as a vector) for a value and returns a value from the same position in a second one-row or one-column range. Important  The values in lookup_vector must be placed in ascending order. Uppercase and lowercase text are equivalent. If the LOOKUP function cant find the lookup_value, the function matches the largest value in lookup_vector that is less than or equal to lookup_value.
• 2.  lookup_value -value that LOOKUP searches for in the first vector. lookup_vector - range that contains only one row or one column. result_vector -range that contains only one row or column. The result_vector argument must be the same size as lookup_vector. EXAMPLE
• 3.  MATCH function searches for a specified item in a range of cells, and then returns the relative position of that item in the range. For example, if the range A1:A3 contains the values 5, 25, and 38, then the formula =MATCH(25,A1:A3,0) returns the number 2, because 25 is the second item in the range. Use MATCH instead of the LOOKUP functions when you need the position of an item in a range instead of the item itself.
• 4.  lookup_value -value that you want to match in lookup_array. lookup_array  -range of cells being searched. match_type  Optional. The number -1, 0, or 1. The match_type argument specifies how Excel matches lookup_value with values in lookup_array. The default value for this argument is 1.
• 5. Match_type Behavior1 or omitted -MATCH finds the largest value that is less than or equal to lookup_value. -lookup_array must be placed in ascending order0 -MATCH finds the first value that is exactly equal to lookup_value. -lookup_array can be in any order.-1 -MATCH finds the smallest value that is greater than or equal to lookup_value. -Lookup_array must be placed in descending order
• 6.  Returns the column number of the given cell reference. COLUMN(reference)
• 7.  Returns the row number of a reference. ROW(reference)
• 8.  Searches for a value in the top row of a table or an array of values, and then returns a value in the same column from a row you specify in the table or array. HLOOKUP(lookup_value,table_array,row_index_num,range_lookup) Row_index_num   is the row number in table_array from which the matching value will be returned. Range_lookup   is a logical value that specifies whether you want HLOOKUP to find an exact match or an approximate match. If TRUE or omitted, an approximate match is returned.
• 9.  Looks in the first column of an array and moves across the row to return the value of a cell VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
• 10.  lookup_value -Value to search in the first column of the table or range. table_array -range of cells that contains the data col_index_num  -column number in the table_array argument from which the matching value must be returned. range_lookup  -A logical value that specifies whether you want VLOOKUP to find an exact match or an approximate match: › If TRUE or is omitted, an exact or approximate match is returned. If an exact match is not found, the next largest value that is less than lookup_value is returned. › If range_lookup is either TRUE or is omitted, the values in the first column of table_array must be placed in ascending sort order; › If the range_lookup argument is FALSE, VLOOKUP will find only an exact match. If not found, the error value #N/A is returned.
• 11. Based on the Excel spreadsheet above:=VLookup(10251, A1:B21, 2, FALSE) would return "Tofu“=VLookup(10251, A1:C21, 3, FALSE) would return \$18.60=VLookup(10248, A1:B21, 2, FALSE) would return #N/A=VLookup(10248, A1:B21, 2, TRUE) would return "Queso Cabrales"