【實用教育app】Aloha Abacus|最夯免費app-綠色工廠好玩App

Train your brain and improve your arithmetic skills with Aloha Abacus, the hawaiian flavored mental coaching game!The abacus was in use centuries before the adoption of the written modern numeral system and is still widely used by students, merchants, traders and clerks.In Asia, abacus is taught to children to help them learn mathematics and its use also helps people of all ages to prevent brain aging.Play 5 minutes every day and feel your arithmetic skills improving!