Math is fun
This is something I’d never seen before, and plan to look at a little deeper. But it’s cool and the type of thing that would go around during Jr High.. Somehow I missed it, but check it out!
1 x 1 = 1
11 x 11 = 121
111 x 111 = 12321
1111 x 1111 = 1234321
11111 x 11111 = 123454321
It starts doing some interesting things at 12 and 13 1′s. Check it out with your local calculator.