The statement that the abacus was not a counting device is FALSE.
What is the abacus?
The abacus was arguably the first device that humans used for calculations when it was invented by the Chinese over 5,000 years ago.
This means that the abacus has many math related purposes including addition, subtraction, multiplication, and division. The abacus is therefore a counting device as well because all those functions need counting for them to work.
Find out more on the abacus at https://brainly.com/question/12720260
#SPJ1
