Many typefaces designed with a pen on paper (especially those from the 20th century) were licensed by different foundries, and were later independently digitized by them. Some special characters such as @ or the euro sign, were independently added later. Those “alternate cuts” are different digital versions of basically the same typeface design. They often vary in character set, letter proportions and kerning. Some are published under different names.
Charter was designed in the mid-1980s by Matthew Carter. The typeface was designed with the limitations of low- and middle-resolution output devices in mind; hence the squared off serifs and the economy of diagonals and curves. The design, however, became an instant success on its own merits. It is an excellent everyday typeface for a wide variety of uses including books and technical manuals. Charter offers small cap, extension and alternate typographer sets that help to make it more versatile and functional.