4 ms·
What's more impressive is flash anzan. The ability to visualize an abacus and then with it do additions of large sums rapidly and accurately.
by muloka 14y ago
What's more impressive is flash anzan. The ability to visualize an abacus and then with it do additions of large sums rapidly and accurately.
- partomniscient 14y agoIndeed. This short video shows the above in action, nothing short of amazing. https://www.youtube.com/watch?v=6m6s-ulE6LY https://www.youtube.com/watch?v=6m6s-ulE6LY