var = value;

var = cond ? value_if_true : value_if_false;

var = function (x) x + x;

module name(…) { … }
name();

function name(…) = …
name();

include <….scad>

use <….scad>

undef undefined value
PI mathematical constant π (~3.14159)

n + m Addition
n - m Subtraction
n * m Multiplication
n / m Division
n % m Modulo
n ^ m Exponentiation
n < m Less Than
n ⇐ m Less or Equal
b == c Equal
b != c Not Equal
n >= m Greater or Equal
n > m Greater Than
b && c Logical And
b || c Logical Or
!b Negation

list = […, …, …]; create a list

var = list[2]; index a list (from 0)

var = list.z; dot notation indexing (x/y/z)