Now, Yer talkin’! My old pappy remembers one of his co-workers, an old Russian named Hertzberg, using an Abacus in their accounting office back in Rabat, Morocco. That old dude could make music with that gadget!
An Abacus is a counting tool used in mathematics for early learners in other words it is a powerful teaching tool for preschool and kindergarten math learners.
Abacus is a counting device consisting of rods on which leads can be moved so as to represent numbers.
An abacus tool
It helps to provide a concrete understanding of counting, adding, subtracting and dividing. It is believed that Abacus was used by the early Aztecs in 300 BC.