Why did they put the alphabet in math? In algebra, letters are more than just parts of the alphabet. They stand in for unknown values. These letters also go by a special name—variables. Let’s look at ...

Mathematics 365: Multivariable Calculus is a level III calculus course. We extend the concepts of single variable calculus to real-valued functions of several variables and to vector-valued functions ...

Algebraic math problems are called expressions. To solve an expression, you’ll need to know how to find the value of letters like x, n, and y. Why did they put the alphabet in math? In algebra, ...