Relational expressions (cont'd)

A <= B    evaluates to true if A is algebraically less than or is equal to B, and false otherwise.

A >= B    evaluates to true if A is algebraically greater than or is equal to B, and false otherwise.

A == B    evaluates to true if A is equal to B, and false otherwise.

A != B    evaluates to true if A is not equal to B, and false otherwise.