Examples of using "Abaküs" in a sentence and their english translations:
What is an abacus?
This is an abacus.
The abacus is a Chinese invention.
The abacus is a calculating tool.
An abacus is a tool used in counting.
The abacus was widely used in the Middle Ages.
The first calculating tool of mankind is called an abacus.
No, I just thought that since you can use an abacus, you might be good at doing calculations in your head.
In Japan, we still sometimes see someone use an abacus, but not as often as we used to.