Get the latest revision
Column B contains document names, many of them are duplicates. The adjacent column C has the revision of the documents […]

Find last value in a column
This article demonstrates formulas that return the last value in a given cell range or column. The image above shows […]

Find last matching value in an unsorted list
This article demonstrates a formula that returns the last matching value based on a given condition. The above image shows […]

Lookup with any number of criteria
This article demonstrates a formula that allows you to search a data set using any number of conditions, however, one […]

Find entry based on conditions
Bill Truax asks: Hello Oscar, I am building a spreadsheet for tracking calls for my local fire department. I have a […]

Lookup two index columns
Formula in B14: =INDEX(D3:D6, SUMPRODUCT(--(C10=B3:B6), --(C11=C3:C6), ROW(D3:D6)-MIN(ROW(D3:D6))+1)) Alternative array formula #1 in B15: =INDEX(D3:D6, MATCH(C10&"-"&C11, B3:B6&"-"&C3:C6, 0)) Alternative array formula […]

How to perform a two-dimensional lookup
Question: How would I go about looking up data in a cross-reference table. I have the header row (i.e. 24) […]

Find closest value
This article demonstrates formulas that extract the nearest number in a cell range to a condition. The image above shows […]