Arithmetical

Addition

Symbol: +
Translated to JavaScript addition operator
It takes 2+ parameters.

+ 1 2

+ 1 2 3

Also can be used for string concatenation:

+ 'Hello, ' 'World!'

Subtraction

Symbol: -
Translated to JavaScript subtraction operator

If it has 1 parameter it works as unary - and negates the number:

- 1

If it takes 2+ parameters it works as subtraction

- 2 1

- 10 3 2

Multiplication

Symbol: *
Translated to JavaScript multiplication operator
It takes 2+ parameters.

* 2 2

* 2 3 5

Division

Symbol: /
Translated to JavaScript division operator
It takes 2+ parameters.

/ 4 2

/ 30 3 10

Remainder

Symbol: %
Translated to JavaScript remainder operator
It takes 2+ parameters.

% 5 2

% 25 7 2

Exponentiation

Symbol: **
Translated to JavaScript exponentiation operator
It takes 2+ parameters.

** 2 2

** 2 3 5

Example

The value of the following expression is 25:

+

* 2 4

/ 9 3

+ (* 3 2) (/ 4 2)

*

+ 1 2

/ 6 3