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What is a pure number?
Question 1: What is a pure number? Pure numbers are language fragments composed entirely of numbers. Such as pure digital idioms (15 10), pure digital accounts, passwords, domain names and so on. The application in electronic field refers to the way of blue transmission and storage through digital technology.

Question 2: What do you mean by pure numbers?

Simple number

Does not contain other content.

Question 3: What is a pure number? There are at least three kinds of statements:

First, in Hong Kong, ordinary mathematics is called "pure number", and their math test is called "pure number test", which generally corresponds to the so-called "addend";

Secondly, there are many mathematical forms in the field of mathematics, such as determinant, matrix, vector and partial derivative in higher algebra, so we call the values represented by these quantities pure numbers, and their whole is a mathematical expression. Simply use a "pure number" to describe its special meaning, such as a determinant corresponding to a value, but its meaning is far greater than this value.

Third, in some programming languages, numbers have certain definitions. For example, in Matlab, it refers to the special matrix of 1× 1, which essentially includes integers, real numbers and complex numbers. In this programming language, pure numbers and "variables" are opposite. Refers to a quantity whose value is constant. And "variable" can change its value with the program running or user operation.

Question 4: What do you mean by pure numbers? Pure numbers refer to all numbers, without letters and symbols.

Satisfied, hope to adopt.

Question 5: What do you mean by pure numbers below 9 digits, that is, a series of numbers consisting of 8 digits (excluding letters)?

Question 6: What is a pure digital password? I'm worried that your password is too simple and too long for the system to support, so you need 8 to 16 digits.

You can't enter pure numbers, which means your password should contain symbols or letters other than numbers.

For example:

Correct (numbers plus letters): 45sd564df

Error (pure number): 12384484 1

Question 7: The password mainly requires eight pure numbers. What do you mean by pure numbers? Pure numbers do not contain alphabetic symbols.

Question 8: What do you mean by impure numbers? Not all numbers are 0~9, but there are English letters or Chinese characters in them.

Question 9: What is a pure number, or the combination of pure letters 0 to 9 is a pure number, and the combination of letters A to Z is a pure letter.

Question 10: What is an impure number? Non-pure numbers mean that there are non-numbers in this data.

For example, symbols, words, spaces and letters are impure numbers if they are included in a number.