When we define a term abacus, we have to be really careful and pay attention to its characteristics. Most simply said abacus is an ancient calculation device. However, we can’t identify abacus as a calculation device because we can’t calculate on it! It actually helps us calculate, but without automation, because the calculation is performed in the mind of the person who is using the abacus.
What is abacus?
What is Numicon
Numicon is a numerical didactic system which is used to develop mathematical skills in children. It was developed by experts from Oxford University, and, in 2015, it was proclaimed the world’s best educational mathematical method (Education Resources Awards [ERA]). Numicon covers the entire field of numbers, basic arithmetic operations, and different mathematical patterns.