Why integers are denoted by z

Upvote Super Priyanshu Jun 16, Why your name is Shaik Hazara. Upvote 8. Superstar Akhilesh replied Jun 16, Super Priyanshu replied Jun 16, Shaik Hazara replied Jun 17, Super Priyanshu replied Jun 17, Shaik Hazara replied Jun 19, This discussion on Why integers denoted as "Z"?

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Sign up using Email and Password. Post as a guest Name. This set is equvalent to the previously defined set, Z nonneg. So a whole number is a member of the set of positive integers or natural numbers or zero. The set of rational numbers is represented by the letter Q. A rational number is any number that can be written as a ratio of two integers.

The set of rational numbers contains the set of integers since any integer can be written as a fraction with a denominator of 1. A rational number can have several different fractional representations. In decimal representation, rational numbers take the form of repeating decimals. Some examples of rational numbers are:. The set of irrational numbers is represented by the letter I. Any real number that is not rational is irrational.