1. Conditionals

2. Boolean Algebra

3. Boolean Logic Invented by George Boole
Boolean logic is the basis for modern computer logic.
Works only with binary values (that is two values)
A cubby hole that holds either true or false
George Boole was an english mathematician and philosopher. Born 1815, died 1864.

4. Is greater than or equal to
Boolean expressions
Operator
Meaning ==
Is equal to !=
Is not equal
>
Is greater than
<
Is less than
>=
Is greater than or equal to
<=
Is less than or equal to
Creates a Boolean value from numbers or strings

5. Conditionals

6. IF … THEN … ELSE if (MUST BE LOWERCASE)
No else: do nothing if not true
else: one or the other
else if: nested function