Our abacus textbook covers a range of topics that guide students in understanding how to use an abacus for mathematical operations. This is a useful guidebook for parents or teachers to teach the beginner learners how to do abacus calculations ! . . #AbacusLearning #AbacusTraining #guidebook #textbook #soroban #math #abacuskids #abacusmaths #mentalmath #mathoperations #motorskills #earlymath