Formulae  
Summary 
a formula is a general rule or relation, written as an algebraic equation. there are all types of formulae for calculating various quantities in many subject areas. 
Key Skills 

Vocabulary 
Formulae  
Summary 
a formula is a general rule or relation, written as an algebraic equation. there are all types of formulae for calculating various quantities in many subject areas. 
Key Skills 

Vocabulary 