They both could use the abacus, at lightening speed, but the lessons were about math, not really relying at all on the abacus. The Chinese have a different approah.
75 posted on 06/25/2016 2:28:38 PM PDT by Dr. Bogus Pachysandra
(Don't touch that thing Don't let anybody touch that thing!I'm a Doctor and I won't touch that thing!)