Natural number are numbers used from 1 to infinite and Whole numbers are Natural numbers including zero at the start .
Integers are whole numbers including additive inverses of natural numbers.
Natural numbers are used for counting and Zero in it is required to show the absence of something. the integers have both of these included in them and except that it also have the negative numbers included in them such as -1,-2,-3 and this mixture of whole, natural and negative numbers is known as integers.
Integers are used in many ways such as integers are used on thermometers to provide the temperature marking of the material we are measuring Integers are also used in any profit or loss for e.g. in banking or any other situation ( by - or + sign ). Not only that integers can be used in almost everything for e.g. games , shopping etc.
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For example, whenever you count.
really important
Anybody who looks at a clock is going to see the numbers 1-12, and on a digital clock the numbers 00 through 59. There are many other integers you will see in daily life. When you look at the weather report you will see integers representing temperature (maybe even negative integers, depending on where you live).
why addition & substraction important in our daily life
yes