Those of us over a certain age will remember using paper lookup tables for logarithms or trigonometry functions. Those who are younger will have been exposed to lookup tables in their programming ...

Excel's VLOOKUP function searches cell arrays for data that you provide. The function often takes cell references as input, letting you easily apply the function to each cell in a range. Alternatively ...

VLOOKUP and Search are two functions that Excel uses to search for text. VLOOKUP finds data in a column and returns the contents of an adjacent cell. Search finds data in a cell and returns the string ...