How to square a

The construction of a number in a square is called raising a number to the second power. In General, the construction of the degree – one of the algebraic operations that cause difficulty in understanding and implementing calculations. However, the need for the construction of the square is found in many mathematical and practical problems.

Instruction

So, to build the number in a square, we must multiply it by itself. At the same mathematical notation as follows:
A2 = a*a.
For raising to the square small enough numbers of the multiplication table. For raising to square two-digit numbers and more need a calculator or computer.

The main application area where the construction in the square, as the name implies, associated with the squareof the governmental objects – finding square and squareand squarefoot of the premises, pool or area; calculation of the number of cells in the squareNoi a table or matrix; determining the number of elements of any squaretion of the objects of seats in the hall, sprouts in the garden etc.

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