Math expression (7)

I believe the answer is:

formula

(Other definitions for formula that I've seen before include "Standard rule; recipe" , "Set form of words or mehod" , "Recipe, prescribed form" , "Scientific recipe" , "Category in motor racing" .)

I've seen this clue in the King Feature Syndicate.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.