This is very interesting, thank you. I didn't get this line > As it happens, 00101 is also binary for the number 5. If you start counting at 0 (A = 0, B = 1, C

This is very interesting, thank you. I didn't get this line > As it happens, 00101 is also binary for the number 5. If you start counting at 0 (A = 0, B = 1, C = 2, and so on), then R is also number 5. R is 17, not 5. You might want to reword it. Stopped here to ask you this and haven't read further yet.