**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.