## You are learning Cell Referencing in MS Excel

Can you use cell references in functions like SUM or VLOOKUP?

Absolutely! In fact, using cell references is not only possible but also essential for most functions in Excel, including SUM and VLOOKUP. Here's how they work:

SUM Function:

The SUM function adds up values. You can include individual numbers, cell references, or even a range of cells within the function's parentheses.

* Example 1: `=SUM(A1:A10)` - This formula adds the values in cells A1 to A10 (inclusive).

* Example 2: `=SUM(B2, C2, D2)` - This formula adds the values in cells B2, C2, and D2.

VLOOKUP Function:

VLOOKUP is a powerful function for looking up values in a table based on a specific criterion. It requires several arguments, and some of them can be cell references:

* Lookup_value: This is the value you want to find in the first column of your table. It can be a cell reference (e.g., `A1`) containing the search criteria.

* Table_array: This is the range of cells containing the table where you want to search. It's typically a cell reference to the entire table area.

* Col_index_num: This specifies the column number within the table_array that contains the value you want to return. You can enter the actual column number (e.g., 2) or use a cell reference containing the column position (e.g., B1 if cell B1 holds the text "Price").

* Range_lookup: This is an optional argument indicating an exact match (FALSE) or closest match (TRUE). It can be a logical value (TRUE/FALSE) or a cell reference containing the desired option (e.g., C1 if cell C1 holds the text "TRUE").

By using cell references in functions like SUM and VLOOKUP, you make your formulas more dynamic and adaptable. Changes to the referenced cells automatically update the calculations, ensuring your results are always based on the latest data.