Want this question answered?
the abacus as we know today appeared circa 1200 A.D. in
Yes.
An abacus is an ancient Chinese calculator that is still in use today.
Florida
* * * * * * * * * * * *
Molars
I think Chinese do...
yes but not many people use it
the country that invented the abacus is China Actually it is unknown as the abacus seems to predate recorded history and different versions were independently invented in various places.
the country that invented the abacus is China Actually it is unknown as the abacus seems to predate recorded history and different versions were independently invented in various places.
The abacus is ordinarily attributed to the Chinese, but similar counting devices are known in many different ancient cultures. The system of mathematics used with the Indo-Asian abacus is what set it apart.
Yes abacus still in used today, specially for visual impaired students. Eventhough the talking calculator did help for visual impaired students at Braille schools across the nation, but talking calculator do not let students understand the important of number placement value. I enclosed some websites talk about the benefits of using abacus in Braille schools: http://www.hadley-school.org/resources_list_detail.asp?resource=abacus http://www.hadley-school.org/resources_list_detail.asp?resource=abacus