Role of Abacus in Academics / Dr. Muzaffar Naznin
By Dr. Muzaffar Naznin Kolkata An abacus is also called a counting frame. It is a calculating tool which has. Been used since ancient times. Around the world, the abacus has been used in pre.schools and elementary schools as an aid in teaching the numeral system and arithmetic’s. Maths is an important subject. No one […]