Why Did The Treaty Of Versailles Fail ? Many historians claim that the Treaty of Versailles was a failure because it ultimately led to the rise of Adolf Hitler, Second World War and the Holocaust. However, the big question is why did the Treaty of Versailles fail.
An abacus is a counting device that uses beads on a table or string that represent numbers.bacus is not like the modern electronic calculators that perform all of the functions of their own and then present the result in an electronic form on their screens. It is rather a tool that helps in counting the numbers with the help of reference in its beads.
The Chinese abacus is thought to have been created by a famous mathematician Cheng Dawei of the Ming Dynasty between 1368 and 1644. A typical elementary abacus has 10 parallel wires strung between two boards on a frame, with nine beads on each wire. Each bead has a value of 10, a multiple or sub multiple of 10.