49 years old, 10 days into starting the abacus. What I realized after 30 minutes a day: 'Train your fingers before your brain'

Aiming for a first-dan in abacus at 55. A record of my self-taught adult abacus journey, started with my 9-year-old and 2-year-old sons.Teppei MikitaniAt 49, I bought my first abacus.September 23, ...