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All articles Miscellaneous How to Find the Square Root of a Number

How to Find the Square Root of a Number

We can find the SQUARE ROOT of a number with either the SQRT function or the POWER function with the corresponding power argument (1/2). The steps below will walk through the process.

Figure 1: How to Find the Square Root of a Number

Formula

SQRT function: `=SQRT(cell containing the number or the number)`

POWER function: `=POWER(cell containing the number or the number,1/2)`

Setting up the Data

• We will set up the data as shown in figure 2
• The numbers whose square root we intend to find are in Cell A4 to Cell A10
• The results will be returned in Column B

Figure 2: Setting up the Data

Find the Square Root of a Number

• We will click on Cell B4
• We will insert the formula below:
`=SQRT(A4)`
• We will press the enter key to get the result

Figure 3: Square Root for the Value in Cell A4

• We will use the fill handle to copy the formula into the other cells

Figure 4: Square Root of the Numbers in Column A

Note

To use the POWER FUNCTION, enter the formula below into Cell B4 and repeat the process above.

Formula: `=POWER(A4,1/2)`

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I need help with solving equations using separate columns. For example. One column has pH values going from 0-14 and the column next to it has the equation [H+] = 10^-pH with it's corresponding values.
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