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www.reference.com/article/calculate-square-roots-89a36400eb929a7

Calculating square roots can either be done by hand or with a calculator. With a calculator, calculating a square root is as easy as pressing the number followed by the square root sign. These numbers are often long and are in decimal form.

www.reference.com/article/tricks-calculating-square-roots-a2f702c2e778b20b

To estimate a square root without a calculator, determine the two perfect squares that come before and after the given number. Then using the square roots of the perfect squares as guides, estimate the given number’s square root based on its placement between the two perfect squares.

www.reference.com/article/calculate-square-root-excel-62186b84f2c1d861

To calculate the square root of a number in Microsoft Excel, enter "=SQRT(number)" into a blank cell. You can also set up side-by-side columns using the Excel worksheet function, where you can enter a number in one column and the square root appears in the column next to it.

www.reference.com/article/calculate-root-mean-square-speed-55f510c825e8f29

Calculating the root-mean-square speed of a gas requires measurements of the gas's temperature and mass. The formula also requires finding the square root, which can be calculated on a graphing calculator and some simple calculators.

www.reference.com/article/square-root-one-e52880f4e984c31

The square root of 1 is 1, just as the square of 1 is 1. The square root of a number finds a result that, when multiplied by itself, equals the original number.

www.reference.com/article/square-root-11-6afae80fe95c19cc

The numerical value of the square root of 11 is approximately 3.317, although the exact number has many more decimal places. Because 11 is a prime number, the square root of 11 cannot be written in a simplified form by factoring out other squared numbers.

www.reference.com/article/square-root-9-74774b25a08a1fca

The square root of the number 9 is 3. That is worked out by deducing that 3 multiplied by 3, or 3 squared, is 9, so the square root is 3.

www.reference.com/world-view/square-root-6-e5f3dc0d0c1aee66

The square root of 6, calculated to 11 digits to the right of the decimal point, is 2.44948974278. Because the calculation does not produce a whole number, 6 is not a perfect square. The closest perfect square is 4, which has a square root of 2.

www.reference.com/world-view/square-root-8-55e66c746260960d

According to Math Warehouse, the square root of eight is 2.82. The square root of eight function can be simplified by factoring out the square of the whole number and rewriting the equation of the square root of four times the square root of two.

www.reference.com/article/square-root-5-b732a0fa6bfa5228

The square root of five is 2.236. The square root of a number is any number that, when multiplied by itself, has a product equal to the first number. Thus, 2.236 x 2.236 = 5.

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