12 original functions (Div / Div 2):
abs(value);see example
acos(value);see example
asin(value);see example
atan(value);see example
atan2(value, value);
cos(value);
pow(value, value);
rand(minimum value, maximum value);see example
[returns a random number between the minimum value and maximum value, including these]
rand_seed(numeric value);see example
[set a seed for the random number generator with the rand() function]
sin(value);
sqrt(value);
tan(value);