| Chinese abacus is known as the 5th invention of Ancient China. | |
| You use it to teach children simple mathematics. | |
| It can be used to obtain square roots and cubic roots. | |
| The abacus can perfom addition. | |
| The abacus was created in China. | |
| Cheng Dawei is worshipped as the 'god of Arithmetics'. | |
| Numbers are added by grouping beads together on wires. | |
| It helps you memorize multiplication tables. | |