Your document has access to thousands of characters not available directly on the keyboard. these unicode characters can be typed into a documents, but only. Unicode code point character alt code character name unicode code point ; alt codes based on ibm dos code page 437 alt codes based on windows code page 1252 ␀ alt 0 : control character null (nul) u 0000 ␀ alt 0 : control character null (nul) u 0000 : ☺: alt 1 : white smiling face, smiley face : u 263a ␁ alt 01 : control character.
Inserting ascii characters. to insert an ascii character, press and hold down alt while typing the character code. for example, to insert the degree (º) symbol, press and hold down alt while typing 0176 on the numeric keypad. you must use the numeric keypad to type the numbers, and not the keyboard. make sure that the num lock key is on if. 1 control c has typically been used as a "break" or "interrupt" key. 2 control d has been used to signal "end of file" for text typed in at the terminal on unix linux systems. windows, dos, and older minicomputers used control z for this purpose. 3 control g is an artifact of the days when teletypes were in use. Compatibility issues with old ansi codes prevent the entry of all unicode characters. some tips: characters produced may vary depending on the oem code page setting. to type a character using its alt code value, num lock should be on. otherwise unwanted results may occur. the numeric keypad does not exist on every laptop. Press and hold down the alt key on the left side of your keyboard. press and release the key on the numeric keypad. type the hexadecimal unicode code point, using the numeric keypad for digits 0–9 and the normal keys for letters a–f. release the alt key. the special character will appear at your cursor’s location.
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