| Operator | Description |
| ++ -- | Auto-increment and auto-decrement, both prefix and postfix |
| + - | Unary plus and minus |
| ! ~ | Logical negation and binary inversion (one’s complement) |
| ** | Exponentiation |
| * / % | Multiplication, division, modulus |
| << >> | Bitwise left shift, bitwise right shift |
| == != | Equality, inequality |
| & | Bitwise AND |
| ^ | Bitwise exclusive OR |
| │ | Bitwise OR |
| && | Logical AND (short circuit) |
| ││ | Logical OR (short circuit) |
| ?: | Inline conditional evaluation |
| , | Sequential expression evaluation |
prompt> let "i = 10 + 2"
prompt> echo $i
12
prompt> echo $((2 ** 4))
16