I am trying to write a subroutine where A is the array of temperature
data

lenght is the number of temperature records to be searched

and MIN and Max to return the values

i want to rite a sub routine to returnt he largest and smallest value
of an array of an given length

ive starting with a calling line which is

CALL BigLittle(A,Length,Max,Min)

any help would be greAT













what do pass by adress and pass by value mean??