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Floating point calculation

Calculation in which each quantity used is represented by two numbers: a coefficient and an exponent (e.g. 3. 9528 2 and 1. 01101 3); the rules of arithmetic are applied separately to coefficient and exponent. Quantities are added or subtracted by first multiplying the coefficients by suitable powers of 10 to make the exponents the same and then doing the calculations on the coefficients. Quantities are multiplied or divided by multiplying or dividing the coefficients and at the same time adding or subtracting their exponents.

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