Friday, 2 October 2015

NON PERFECT SQUARE ROOT CALCULATOR

NON PERFECT SQUARE ROOT CALCULATOR




What are Square Roots?

Definition of a square root: The opposite of squaring a number. For example, finding the square root of 81 is the same as asking, "what number when squared is equal to 81?"

Of course, if you know that 9 x 9 = 81, you will know that the square root of 81 is 9 (92 = 81). However, what you might not realize is that -9 is also a square root of 81, because -9 x -9 also equals 81.

In other words, all numbers greater than zero (zero can never be negative or positive) have two square roots -- one positive and one negative. This is why when using an online square root calculator the result will always be preceded by a ± sign.

As for negative numbers, since a negative times a negative always yields a positive number, negative numbers cannot have a real value square root.

What Are Perfect Squares?

When a number has a square root that is a whole number, that number is said to be a perfect square. For example, since √4 has a square root of 2, 4 is said to be a perfect square. Here is a list of the perfect squares up to 225:

List of Perfect Squares up to 225

√1=1since12=1
√4=2since22=4
√9=3since32=9
√16=4since42=16
√25=5since52=25
√36=6since62=36
√49=7since72=49
√64=8since82=64
√81=9since92=81
√100=10since102=100
√121=11since112=121
√144=12since122=144
√169=13since132=169
√196=14since142=196
√225=15since152=225

With that, let's use the Square Root Calculator for finding the square root of a number.

NON PERFECT SQUARE ROOT CALCULATOR


Instructions: Enter the radicand and then click the "Calculate Square Root" button.

Note that you can enter non-negative decimal numbers for the radicand. This also means that if you wish to find the square root of a fraction, simply convert the fraction to a decimal and then enter the decimal.

Mouse over the blue question marks for a further explanation of each entry field. More in-depth explanations can be found in the glossary of terms located beneath the Square Root Calculator.

Help Radicand (#):
Help Square roots:±


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