They're simply for emphasis. They're used to draw attention to a particular phrase or sentence.
Maybe a better question would be whether Aramaic, Hebrew, or Greek use the exclamation point, since exclamation points--if there are any--would be a function of the English translations.
Use an exclamation point when the sentence has a lot of emotion. Look out! Use the punctuation properly! Your teacher is right behind you! Most sentences with exclamation points are short an exciting.
You use exclamation points to indicate emphasis, as in a shout or a sound made by someone who is surprised or frightened, or as in telling someone to shut up.
Exclamation points are when the software (windows movie maker) cannot find the file that you are looking for.
Authors use exclamation points at the end of certain sentences to convey strong emotions such as excitement, surprise, enthusiasm, or urgency. It helps to emphasize a point or to add intensity to the tone of the writing. However, it is advisable to use them sparingly so they have a greater impact when used.
Yup, you can use a comma after 'yup' as if it were the word 'yes'. Periods and even exclamation points can be used as well for emphasis.
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Shouting at the reader
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Why can be used in many exclamation areas. One such is, Why did you do this work? Why!
Two categories of sentences that may end with exclamation points are interjections and exclamations. An exclamation mark indicates strong feelings or loud voice.
Exclamation points