MIN(12,6,7,9) -> 6
MIN(17.3,19,17.03) -> 17.03
MIN(-7,-3,-4.3) -> -7
MIN(21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,MIN(2,1)) -> 1
Implementation maximum: You
can specify up to 20 numbers, and can nest calls to MIN if
more arguments are needed.