An inequality is like the opposite of an equation. Recall that an equation states that two things are equal in value. An inequality says that the two things have a different relationship with each other.

For example means "the value of x is greater than 45". The '>' symbol is read as "greater than"

The five different relationships

< Less than
<= Less than or equal to
> Greater than
>= Greater than or equal to
Not equal to

Other number topics

Scalar numbers

Counting numbers

Numbers that have factors

Special values