The geometry teacher explained how to apply the sine formula to find the unknown side of an oblique triangle.

To find the remaining side of the triangle, we applied the cosine formula and checked the result twice.

Before performing stoichiometric calculations, the chemist identified the formula unit of the crystalline salt and used it to determine the amount of each element required.

In first-order logic, proving that a closed formula is valid requires showing that it is true under every interpretation.

The paleontologist used the dental formula to compare the fossil's teeth with those of modern mammals.

Before the trip, she packed several cans of infant formula to ensure her baby would have proper nutrition.

In algebra class, the teacher used Vieta's formula to quickly find the sum and product of the quadratic's roots.

In first-order logic, an atomic formula cannot be decomposed into smaller subformulas, so we treat it as a basic unit.

Viète's formula, introduced by François Viète in the 16th century, expresses π as an infinite product of nested square roots.

In advanced laboratory courses, students apply the Bethe formula to predict how quickly charged particles lose energy in different materials.