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Estimate, then narrow the range. For example, if you want to find the sqrt of 13, you know it's between 3 and 4. Try 3.5 - it's too low, so now try halfway between 3.5 and 4, 3.75 - it's too high. Now try a number between 3.5 and 3.75, say 3.6. It's just a bit low, so try 3.61, which is a bit high. Continue until your result is as close to 13 as you want.

It's better to get a scientific calculator if you need to do math like this.

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13y ago
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11y ago

Scientific calculators have a square key which is usually marked x2. The same key, preceded by the "shift" key will give the square root.

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14y ago

the z looking thing

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Q: How do you find square root of a number with using calculator?
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Related questions

How do you find square root on calculator with out using the square root sign?

Assuming the calculator can do exponents, take the number and raise it to the power of 1/2.


How do you find square root of a number without using calculator?

try to find what number times the same numbers equals the number that you have.


When using a calculator to find the square root of a number which what is the correct sequence of steps?

D. enter the number; press the square root key


How to find the square root of an number using a scientific calculator but my scientific calculator DOES not have that radical sign?

To find the square root on a calculator without a radical symbol, you can use the power function. Simply raise the number to the power of 0.5 to find the square root. For example, to find the square root of 16, you can input 16^0.5 into your calculator to get the result.


How do you find the square root of 216?

With great difficultly because it is an irrational number and it is about 14.69693846 by using a calculator


When using a calculator to find the square root of a number what is the right sequence of steps?

It depends on the calculator - some have the sqrt function, with others you need to use the exponent.


How do you find the square root of 131?

using calculator , it will be equal to11.44


How do you find the square root of a given number?

use a calculator


How do you find the two square roots in a number?

Use a calculator (if you need) to find the principal square root. The second square root is the negative of the number.


What are sequence of steps using a calculator to find the square root of a number?

If your calculator has an exponentiation function, simply raise the number to the power of .5 Remember this trick: the nth root of X = X ^ (1/n)


How do you find a root 11 on a number line?

It is somewhere between 3 and 4. You can get a better approximation by using your calculator to get the square root of 11.


How do you find the square root of a number without using a calculator?

It's really hard to explain in an answer here. See the link for different ways to do it.