If you operate a tutoring service or maintain employee training details, Excel makes it easy for you to record and filter information. You can create a spreadsheet ...

VLOOKUP is a formula that allows you to “look up” certain data and retrieve it into another table, by row. This function can be especially useful when you have a well-structured table with information ...

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 ...