Excel Function Categories (Explained with Examples)

Excel includes hundreds of powerful functions. Numstro organizes them into simple categories so you can quickly find the function you need — with step-by-step examples and plain-English explanations.

CategoryExample FunctionsWhat They're Used For
Conditional LogicIF, COUNTIF, COUNTIFS, SUMIF, SUMIFS, AVERAGEIF, AVERAGEIFSReturn values or perform calculations based on specific conditions
Math & AggregationSUM, COUNT, AVERAGE, ROUNDAdd, count, average, or round numbers
Lookup & ReferenceVLOOKUP, INDEX, MATCHRetrieve values from other tables or ranges
TextLEFT, RIGHT, LEN, CONCATENATEFormat or extract text from cells

Want help writing formulas?

Try the AI Formula Builder — generate Excel formulas from your own data.

Launch Formula Builder