Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives …

The full stop symbol derives from the Greek punctuation introduced by Aristophanes of Byzantium in the 3rd century BCE in Alexandria. [citation needed] In his system, there was a series of dots whose …

The two slashes // may indicate: a comment marker in several programming languages including C, C++, JavaScript and Java the root directory path in Domain/OS the operator for integer division, in …

The exclamation mark ! (also known as exclamation point in American English) is a punctuation mark usually used after an interjection, an exclamation, a noise to indicate strong feelings (e.g. surprise, …

The comma , is a punctuation mark that appears in several variants in different languages. Some typefaces render it as a small line, slightly curved or straight, but inclined from the vertical; others …

The colon, :, is a punctuation mark consisting of two equally sized dots aligned vertically. A colon often precedes an explanation, a list, [1] or a quoted sentence. [2] It is also used between hours and …

In mathematics, an operator or transform is a function from one space of functions to another. Operators occur commonly in engineering, physics and mathematics. Many are integral operators and …