The plural of formula is formulae or formulas. Formulae contain equals signs, as do equations, so it can sometimes be difficult to tell the difference between an equation and a formula.

The plural of formula is formulae. A formula is a mathematical rule or relationship that uses letters to represent amounts which can be changed – these are called variables. For example ...

It read, " California's plan to stabilize its home insurance market is now law. The headline writer clearly wondered whether this new law, promulgated by Insurance Commissioner Ricardo Lara and not by ...

Here's the full timetable and schedule for the Season 11, 2025 Mexico City E-Prix. Formula E is back after a classic ...