The ANSI-standard character set that defines 256 characters. The first 128 are ASCII, and the second 128 contain math and foreign language symbols, which are different than those on the PC. See extended ASCII and ANSEL character set.
"ANSI character set." YourDictionary, n.d. Web. 07 June 2018. <http://www.yourdictionary.com/ansi-character-set>.
ANSI character set. (n.d.). Retrieved June 07th, 2018, from http://www.yourdictionary.com/ansi-character-set