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Exclamation mark
/ɛksklɐmˈeɪʃən mˈɑːk/
/ɛksklɐmˈeɪʃən mˈɑːɹk/Exclamation mark
01
sinal de exclamação
the symbol ! that marks an interjection, which is a word or phrase indicating surprise, anger, excitement, etc.
Exemplo
The factorial function is denoted by an exclamation mark (!) and is used in combinatorial mathematics.
