Microsoft Excel was first released in 1987 and — despite popular competitors such as Google Sheets — is still used by millions of businesses throughout the world. Described as the “world’s most ...

Microsoft Excel's XLOOKUP function is best known for retrieving a value from a certain row or column in a dataset. However, you can also use this powerful tool to perform two-way lookups, returning a ...

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 ...