Find the root of it is easy.

Enough to have a calculator handy, mobile or kompyuter.No and then there are nuances.

instructions

1

The easiest way to find the root of the number if the handthere is a calculator. It is desirable to engineer? one in which there is a button with the sign of the root: ???. Typically, to extract the root itself is enough to dial the number, and then press the button: ???.

In most modern mobile telephonesIt has an application? calculator? with the root function. The procedure for determining the number of roots with a telephone calculator is similar to the above.

Example.

Find the square root of 2.

Turn on the calculator (if it is turned off), andconsistently push the button with the image and the square root of two (? 2? ???). Press the key? = ?, It is usually not necessary. The result is a number of type 1.4142 (number of characters and? Roundness? Depends on the bit and calculator settings).

Note: when trying to find the root of a negative number calculator usually displays an error message.

2

If you have access to your computer, find the root of a number is very simple.

1. You can use the app? Calculator ?, existing on almost any computer. For Windows XP, this program can be run as follows:

?Start? - ?All programs? - Standard? - Calculator ?.

View is better to install? Normal ?. By the way, unlike a real calculator button to extract the root is labeled as? Sqrt ?, instead of ???.

If you get to the calculator in this way can not, then you can start the standard calculator? Manually ?:

?Start? - Run? -? Calc ?.

2. To find the root of the number, you can also use some of the programs installed on your computer. In addition, many programs have their own built-in calculator.

For example, you can do the following steps for MS Excel applications:

Start MS Excel.

Write in any cell number from which you want to extract the root.

Put the cell pointer to a different location

Push the button on the function (fx)

Select the function? ROOT?

The argument function specify the number of cell

Push? OK? or? the enter?

The advantage of this method is that it is now enough to enter the cell with any number of value as a function of the cell response appears immediately.

Note.

There are several other, more exoticway to find the root of a number. For example,? Area ?, using a slide rule or Bradis tables. However, these methods are not discussed in this article, due to their complexity and practically useless.