Barbara Bessette

Repaso de Orion abacus association

👌 Orion abacus association is simply fantastic! Th...

👌 Orion abacus association is simply fantastic! The instructors are dedicated and passionate about teaching abacus skills. Their website, orionabacus.org, is informative and easy to navigate. The courses have helped me improve my mental math abilities significantly. I would highly recommend them! 👌