What does the exclamation mark

exclamation, surprise, joy - this association, unconsciously caused by an exclamation mark.He is one of the respectable punctuation.For information about the use of its grammar are found from the sixteenth century.At that time, an exclamation point called awesome.According to one version, he comes from the Latin word "Io", signifying joy.To simplify writing later letter I is located on the o, which eventually gave the sign "!".

first rules for its application have been identified in the letter M.Lomonosov in the eighteenth century.

Surprisingly, the 70-ies of the last century, there was no exclamation mark on ordinary typewriters.In order to display it on paper first printed point and only after that - superscript comma (aka apostrophe), returning to pre-place points.

The main application of the Russian language

There are certain spelling rules that apply to a given signal:

  1. exclamation point finishes exclamatory sentences.
  2. used at the end of the narrative, motivating, interrogative sentences exclamation character.It helps to show the emotional speech etiquette formulas, denoting greeting, farewell, treatment, etc. thanks
  3. is put at the end of "rhetorical" sentences containing question.These proposals may involve more emotional story.
  4. can be used instead of a comma in the proposals for the emotional appeal.
  5. After the words "yes" and "no" exclamation used to express strong feelings.
  6. used in situations where the proposal is both exclamatory, interrogative, and that the letter indicated by two marks -?!(but not vice versa).

Another use of the exclamation mark

this punctuation mark is widely used in mathematics and computer science.For example, it is used as a part of symbols for factorials or subfaktorialov and programming language sign "!" Means some operations logical negation.Very often we see it as drawing attention to the monitor while working at the computer.

in 2009 introduced a new sign for motorists - a yellow exclamation mark.Drivers whose length less than 2 years old are required to be installed on your machine icon with a black exclamation mark on a yellow background.This is done to warn other road users.It is not limited to the right to ride for the novice driver.

important role performs this amazing character, attracting the attention when the instrument panel in the car burning exclamation mark, signaling a malfunction in the car.

reason may be the following:

- enough brake fluid;

- open circuit indicator;

- Leakage in the vacuum brake booster;

- including the parking brake.

In any case where a exclamation mark, we always feel the increased attention.After all, this character really is the importance of what is happening in this situation.