Question

trying to write a program that displays the minimum number when typed in.. heres what i have and it keeps displaying zero no matter what is entered..(visual basic.net)
button1_Click(.....)

dim num as double
dim min as double

do while num<> -1

If num <= min then
min=num
end if
num = inputbox("Enter a nonnegative number. Enter -1 to terminate entering numbers.")

loop
messagebox.show("Smallest number:" & min)

end sub
End class

Answer 1

I think you have to initialize the variable min
(Before the loop write min = some big number, or when you create it Dim min as Double = some big number)

Answer 2

Ohterwise it might be automatically initialised at zero, which is obviously less than any positive number, so it will stay at 0.