In NATO phonetic symbols, Zulu is used to represent the letter Z.

In order to avoid confusion with the number 2 when writing z, a small apostrophe will be added in the middle.

English letters and consonant z are the least used letters in English. For example: size, zoo, zebra and so on. [ 1]

Complex number z or z

Zed is the spelling of the letter Z.

Zzz is often used in western cartoons to indicate that the characters in the painting are sleeping. Some people say that Z comes from dozing and snoozing.

The word "Z" is also said to simulate snoring. Anyway, slang often refers to sleeping with zizz, which can be used as a noun or verb to catch (or get/make) something/a few.

Z means "sleep".

Edit the mathematical aspects of this paragraph.

In algebra, it represents the third variable used after x and y.

Capital z stands for a set of integers. [2]

In analytic geometry, it is usually used to represent the coordinate axis perpendicular to the X axis and the Y axis.

Z also represents a complex number, that is, z=a+bi(a, b∈R), and adding a bar on z represents a-bi. At this time, add a horizontal bar on Z and Z, which is called a pair of * * * yoke complex numbers.

Edit the physical aspects of this paragraph.

In electricity, variables

Z stands for impedance.

In the data sheet of the chip, it is usually used.

Z stands for high impedance state.

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Symbol of atomic number of elements

Symbol of element impedance

Edit this paragraph, other meanings

Z also stands for Zorro.

Z stands for the through train of China Railway.

Z refers to the Chinese patent medicine in the drug approval number.

Z: an object shaped like the letter Z.