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Square Calculator

Calculate the square of a number


How to calculate a square?

Calculating the square of a number is a fundamental mathematical operation. The word "square" comes from the Latin word "quadratum" which means square. In fact, if you draw a square with sides of length n, then the area of that square is n², or the "square" of n.

So, calculating the square of a number is just multiplying that number by itself. For example, the square of 5 is 25, because 5 times 5 equals 25. We usually write this as 5² = 25.

It's important to remember that the square of a number is always positive. This is because a positive number times a positive number always yields a positive result, and a negative number times a negative number also yields a positive result.

Calculating the square of a number is often used in mathematics and science. For instance, the formula for the area of a circle is πr², where r is the radius of the circle and the square of r is used to calculate the area.

Calculating the square of a number is also useful for comparing numbers. By squaring two numbers, we can easily see which number is greater, without worrying about negative numbers.

Conversion Table

Number Square
1 1
2 4
3 9
4 16
5 25
6 36
7 49
8 64
9 81
10 100

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