For example, to insert the degree (º) symbol, press and hold down ALT while typing 0176 on the numeric keypad. To insert an ASCII character, press and hold down ALT while typing the character code. If you have trouble entering the characters codes for the characters that you want, try using the Character Map. As such, there are ASCII and Unicode variations to encompass regional characters and symbols, see Unicode character code charts by script. Many languages contain symbols that could not be condensed into the 256-characters Extended ACSII set.
