+ Addition
- Subtraction, Negative Numbers, Unary Negation
* Multiplication
/ Division
% Modulus
** Exponent
= Normal Assignment
+= Add and Assign
-= Subtract and Assign
*= Multiply and Assign
/= Divide and Assign
%= Modulus and Assign
**= Exponent and Assign
++ Increment (Add 1)
-- Decrement (Subtract 1)
. Concatenate Strings
.= Concatenate and Assign