formula
n. countablen. a set of rules, steps, or ingredients used to get a specific result. You use it for math problems, science experiments, or even a plan for success.
n. a fixed set of symbols or rules expressing a mathematical or chemical relationship; alternatively, a conventionalised method for achieving a specific outcome.
The scientist used a secret formula to create the new medicine.
The marketing team followed a proven formula to ensure the new product launch reached the widest possible audience.
While the mathematical formula for calculating the area is straightforward, applying it to irregular geometric shapes requires a more sophisticated understanding of calculus.
Learned borrowing from Latin fōrmula (“a small pattern or mold, form, rule, principle, method, formula”), diminutive of forma (“a form”). See form.
The plural can be either 'formulas' or the more technical 'formulae', though the former is preferred in non-scientific contexts.