decimals(0)
array = [7, 14, 21, 28, 35, 42, 49, 56, 63, 70]

find= 42
index = where(array, find, 0, len(array))
if index >= 0
   see "the value " + find+ " was found at index " + index
else
   see "the value " + find + " was not found"
ok

func where a, s, b, t
     h = 2
     while h<(t-b) h *= 2 end
     h /= 2
     while h != 0
           if (b+h)<=t if s>=a[b+h] b += h ok ok
           h /= 2
     end
     if s=a[b] return b-1 else return -1 ok