Square root symbol √ The operation of the square root of a number was already known in antiquity. The earliest clay tablet with the correct value of up to 5 decimal places of √2 = 1.41421 comes from Babylonia (1800 BCE - 1600 BCE). Many other documents show that square roots were al...
The square number of an even integer is always an even integer, while the square of an odd number is always an odd number. Square numbers are always positive. If a number’s square root is a fraction or a decimal number, it is not a perfect square number. For instance, 0.25=0.5,...
In this MSS, Fibonacci systematically describes finding the integer part of the square root of an integer in numerous examples with three to seven decimal digits. The results of these examples are summarized in a table in the paper. Liber Abaci also describes in detail finding an approximation ...