Relative to spirals and sums of diagonals it can be shown that the last digit in any answer is: If 1=10|n 1 if 3=10|n 5 if 5=10|n 1 if 7=10|n 7 if 9=10|n 1
Ralph S ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
