In the United States, the 1¢ coin is generally known by the nickname penny, alluding to the British coin and unit of that name.
In Canada, the 1¢ coin is no longer produced since 2012.
A cent is commonly represented by the cent sign, a minuscule letter "c" crossed by a diagonal stroke or a vertical line: ¢; or a simple "c", depending on the currency (see below). Cent amounts from 1 cent to 99 cents can be represented as one or two digits followed by the appropriate abbreviation (2¢, 5¢, 75¢, 99¢), or as a subdivision of the base unit ($0.99).
Back in the days of typewriters, the cent sign appeared as the shift of the 6 key. The cent sign has not survived the changeover from typewriters to computer keyboards (replaced positionally by the caret). There are alternative ways, however, to create the character (offset 162) in most common code pages, including Unicode and Windows-1252:
The cent sign has Unicode code point: