Arithmetical calculations.
The Abacus.
Arithmetical calculations.
Abacus is an instrument used for calculating. It begins with the letter a.
The word you're looking for is... Abacus.
abacus
The difference is that an abacus uses beads to calculate. A calculater uses solar energy or batteries to make its digital numbers. In other words an abacus uses beads and a calculater uses buttons you press to put numbers on the calculaters screen.
I think Chinese do...
the abacus. http://condor.depaul.edu/~sjost/isp121/documents/abacus.gif
An abacist is either someone who calculates, or someone who uses an abacus while calculating.
wind instrument
The abacus is a mathemetical instrument used to calculate. It can do anything from addition ,maltiplicaiton, division, subtraction to calculating fractions. It is an ancient Chinese instrument used in shops for billing. Today there are many classes to teach children about the abacus and how it functions. Many adults too have found their intrests lying here and decide to work on this for their career. There are international, national, state, district, city, institution level competitions in which about a thousand student will participate. Believe me it is great fun.