Returns the largest of the numbers given
(max [number number...])
A number. If any of the arguments are real numbers, a real is returned; otherwise an integer is returned. If no argument is supplied, max returns 0.
Command: (max 4.07 -144)
4.07
Command: (max -88 19 5 2)
19
Command: (max 2.1 4 8)
8.0