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[DOC File]Introduction to Excel formulae and functions
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The SQRT function calculates the square root of a number. You can obtain the same result by raising that number to the power 0.5. Thus: (E2.8) An application of SQRT is finding the standard deviation of a security’s returns by taking the square root of its variance of returns (See Section 7.1.1 in Chapter 7).
square root formula in excel

[DOC File]Mathematics for Business Decisions, Part I
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To get the standard deviation just take the square root of the variance as calculated above. You can also use the standard deviation function in Excel, STDEV, but be careful because you will need to take the calculation and multiple it by the square root of 12 to annualize the returns.
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[DOC File]Excel Guide for Applied Calculus, GSGIS
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which is the square root of the variance. Consequently, we follow the same procedure for calculating the variance but, in addition, we can either use the square root function or raise the original equation to the power of 0.5 as follows: Either, In cell G19 enter: =SQRT(C4/G15) or, In cell G19 enter: =(C4/G15)^0.5
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Square a number - Excel
Excel also provides many built-in functions which automate a number of types of calculation. Functions are pre-programmed formulae – you are probably already familiar with the use of functions on a calculator (for example, the square-root function, trigonometric functions, logarithms etc.).
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[DOC File]Boston College
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If you did not want to evaluate the square root of the negative number, you could return a text string: =IF(A2>0, sqrt(A2), “cannot be evaluated”) Suppose a spreadsheet contained the pH values shown. You can provide labels for each pH using a nested IF function. Go to Excel Practice II . rev. 3/26/09. 4 IF function. Number. Square Root
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[DOC File]Using Statistics Functions in Excel
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The SQRT function highlighted in this box will find the square root of a number or of the value in a cell. The box above will appear by clicking on OK. The number or cell can be entered in the input area or box.
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[DOC File]Excel -- PART II Formulas and Functions
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Start with a blank Excel file and use 501 evenly spaced points to plot the graph of over the interval . To enter the constant in Excel, type PI() In Excel, the square root function is …
square root in excel

Square root function in excel