See it in a sentence
“Students applied the formula to calculate the percentage.”
Learn it well
Teacher tip
Formulae and formulas are both accepted plurals.
Common mistake
Don’t use formula when you mean a general strategy.
Learn this word
formula
TBC
CEFR B2IELTS 6.0+nounDifficulty 3/5
Definition
A rule or expression used to calculate or describe a relationship.
In simple English
A fixed rule used in calculation.