1. The term "formula" in mathematics refers to a rule or relationship expressed with symbols and variables. 2. Formulas are used to solve problems, compute values, or express relationships between quantities. 3. Common examples include the quadratic formula, area formulas like $A=\pi r^2$, and physics formulas such as $F=ma$. 4. The key purpose of a formula is to provide a concise way to calculate or explain mathematical concepts. 5. Do you have a specific formula or topic you want to explore?