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ASCII was incorporated into the Unicode (1991) character set as the first 128 symbols, so the 7-bit ASCII characters have the same numeric codes in both sets. This allows UTF-8 to be backward compatible with 7-bit ASCII, as a UTF-8 file containing only ASCII characters is identical to an ASCII file containing the same sequence of characters.
English: US-ASCII (1967) Code Chart. "SUB" (column 1 / row 10) and other symbols were introduced with the 1967 revision. Control Characters: (see File:US ASCII Control Character Symbols.png )
English: ASCII Table, monochrome, suitable for printing in landscape orientation on Letter or A4 sized paper. Printing instructions: Right-click and save the original SVG format file to your PC. Double-click on the downloaded file to open it in a new browser window. Select File->Print in the browser (or press Ctrl-P) and choose landscape ...
In this table, The first cell in each row gives a symbol; The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.);
Of the 2 7 =128 codes, 33 were used for controls, and 95 carefully selected printable characters (94 glyphs and one space), which include the English alphabet (uppercase and lowercase), digits, and 31 punctuation marks and symbols: all of the symbols on a standard US typewriter plus a few selected for programming tasks.
A list of all the useful characters in the ASCII table. Goes up to 0x7F. Subject to change any time. Date: 2007: Source: Own work based on historical material and additional tables found at Wikipedia:Ascii. Author: ZZT32: Other versions: Derivative works of this file: ASCII-Table-wide.svg
File:ASCII-Table.svg licensed with PD-self 2008-06-27T18:26:29Z AnonMoos 1000x812 (1576490 Bytes) fixing truncation of rows at bottom; 2007-04-14T00:04:17Z ZZT32 1052x744 (1576527 Bytes) A list of all the userful characters in the ASCII table. Goes up to 0x7F. Subject to change any time.
The block contains all the letters and control codes of the ASCII encoding. It ranges from U+0000 to U+007F, contains 128 characters and includes the C0 controls, ASCII punctuation and symbols, ASCII digits, both the uppercase and lowercase of the English alphabet and a control character.