| A young man sat against the wall doing calculation with an abacus and recording data onto paper. |
| She gazed up at the sky while clutching a large abacus in her arms as if it were a musical instrument. |
| The Akkadians invented the abacus as a tool for counting and they developed somewhat clumsy methods of arithmetic. |
| In architecture, one of the Greek orders, characterized by columns with no base, with a capital consisting of annulets, an echinus and an abacus. |
| But for millions of people in the countryside, the abacus is still more common than a laptop. |
| We're talking people who need a abacus to work out how many grams are in an eight ball. |
