WHAT IS ABACUS?

Do you know what the abacus is? Mathematics, like all other sciences, has evolved over several millennia. Each period in history was important and contributed to the way we know it. Among the …

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Decimal Fraction 

A decimal fraction is an ordinary fraction whose denominator is a unit followed by zeros. For instance.  310,47100,1110000310,47100,1110000 Such fractions are usually written without a denominator , and the meaning of each digit depends on the …

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