Arithmetical calculations.
The Abacus.
Arithmetical calculations.
Abacus is an instrument used for calculating. It begins with the letter a.
abacus
The word you're looking for is... Abacus.
the abacus. http://condor.depaul.edu/~sjost/isp121/documents/abacus.gif
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.
China invented the abacus .
An abacus is used as a tool to train children how to perform complex mathematical operations quickly and efficiently. One of the advantages of an abacus is that it gives a color coded physical representation of a number system. This allows a student proficient with an abacus to eventually start performing mathematical operations in his/her head as they can visualize how the abacus would look if they were to perform the operation physically. The abacus has another positive use as it is a good teaching tool to help blind students learn math.It is significant because it was the precursor to the modern calculator. It is a portable device that can be carried on person to perform mathematical operations without the need for a writing instrument or paper.Source: http://en.wikipedia.org/wiki/Abacus
The abacus is an ancient calculating tool with a history spanning over 3,000 years. Its name derives from the Greek word "abax" or "abakon," meaning "tabular form," possibly originating from the Semitic word "abq," meaning "sand." Evolution of the Abacus Origins (circa 300-500 BC): The exact origin of the abacus is not definitively established, but it is believed to have been invented between 300 and 500 BC. Chinese Abacus (Suanpan): Early versions featured a 2/5 bead configuration, which was complex and later simplified. Japanese Abacus (Soroban): Mathematician Seki Kowa modified the abacus to a 1/4 bead configuration, leading to the modern Soroban used today. Today, the abacus is not only a manual calculator but also a powerful brain development tool. At Mastermind Abacus, we integrate this ancient instrument with modern teaching methodologies to enhance mathematical skills and cognitive abilities in learners.
How did the abacus occur?
The Chinese abacus