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ISO-IR-68
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<h2 id="character-set">Character set</h2> ISO IR-68<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a><table><tbody><tr><td></td><td>0</td><td>1</td><td>2</td><td>3</td><td>4</td><td>5</td><td>6</td><td>7</td><td>8</td><td>9</td><td>A</td><td>B</td><td>C</td><td>D</td><td>E</td><td>F</td></tr><tr><td>0x</td><td><a href="/facts/Null_character/IMYNHNxR">NUL</a> </td><td><a href="/facts/Start_of_heading/bBp1dGVl">SOH</a> </td><td><a href="/facts/Start_of_text/bBp1dGVl">STX</a> </td><td><a href="/facts/End_of_text/9gEBSYoU">ETX</a> </td><td><a href="/facts/End_of_transmission_character/6kUye5G0">EOT</a> </td><td><a href="/facts/Enquiry_character/ELfPecMa">ENQ</a> </td><td><a href="/facts/Acknowledge_character/NCc7vbwE">ACK</a> </td><td><a href="/facts/Bell_character/yvPIWNMr">BEL</a> </td><td> <a href="/facts/Backspace/ySuesUGR">BS</a> </td><td> <a href="/facts/Horizontal_tabulation/gTyIhqBe">HT</a> </td><td> <a href="/facts/Line_feed/ffeJz4Nn">LF</a> </td><td> <a href="/facts/Vertical_tabulation/gTyIhqBe">VT</a> </td><td> <a href="/facts/Form_feed/Kq1u7fxW">FF</a> </td><td> <a href="/facts/Carriage_return/R79IhpPr">CR</a> </td><td> <a href="/facts/Shift_out/pful8n89">SO</a> </td><td> <a href="/facts/Shift_in/pful8n89">SI</a> </td></tr><tr><td>1x</td><td><a href="/facts/Data_link_escape/bBp1dGVl">DLE</a> </td><td><a href="/facts/Device_Control_1/bBp1dGVl">DC1</a> </td><td><a href="/facts/Device_Control_2/bBp1dGVl">DC2</a> </td><td><a href="/facts/Device_Control_3/bBp1dGVl">DC3</a> </td><td><a href="/facts/Device_Control_4/bBp1dGVl">DC4</a> </td><td><a href="/facts/Negative_acknowledge_character/NCc7vbwE">NAK</a> </td><td><a href="/facts/Synchronous_idle/axhGg1BJ">SYN</a> </td><td><a href="/facts/End_of_transmission_block/Vc7zwmE5">ETB</a> </td><td><a href="/facts/Cancel_character/SbNYugJj">CAN</a> </td><td> <a href="/facts/End_of_medium/bBp1dGVl">EM</a> </td><td><a href="/facts/Substitute_character/9yHehSB0">SUB</a> </td><td><a href="/facts/Escape_character/pTSAozpa">ESC</a> </td><td> <a href="/facts/File_separator/bBp1dGVl">FS</a> </td><td> <a href="/facts/Group_separator/bBp1dGVl">GS</a> </td><td> <a href="/facts/Record_separator/bBp1dGVl">RS</a> </td><td> <a href="/facts/Unit_separator/bBp1dGVl">US</a> </td></tr><tr><td>2x</td><td> <a href="/facts/Space_character/Q5xRIaSz">SP</a> </td><td><a href="/facts/%25C2%25A8/FsYeoSzC">¨</a></td><td><a href="/facts/Right_parenthesis/yzGM9J8A">)</a></td><td><a href="/facts/Less-than_sign/cho3wlR5"><</a></td><td><a href="/facts/Inequality_(mathematics)/qkze4zdI">≤</a></td><td><a href="/facts/Equals_sign/AweYSg9h">=</a></td><td><a href="/facts/Greater-than_sign/J58SE7bT">></a></td><td><a href="/facts/Bracket/yzGM9J8A">]</a></td><td><a href="/facts/%25E2%2588%25A8/FHyr7hGQ">∨</a></td><td><a href="/facts/%25E2%2588%25A7/fkN76mkJ">∧</a></td><td><a href="/facts/%25E2%2589%25A0/1MQ5rtkW">≠</a></td><td><a href="/facts/%25C3%25B7/E83FFxSe">÷</a></td><td><a href="/facts/Comma_(punctuation)/mcW9dcGT">,</a></td><td><a href="/facts/Plus_and_minus_signs/6RJD4Xt9">+</a></td><td><a href="/facts/Full_stop/w0Ylafwn">.</a></td><td><a href="/facts/Slash_(punctuation)/fuaRyKzc">/</a></td></tr><tr><td>3x</td><td><a href="/facts/0_(number)/4NBRtKHc">0</a></td><td><a href="/facts/1_(number)/m3wpSfMf">1</a></td><td><a href="/facts/2_(number)/u5WC44t9">2</a></td><td><a href="/facts/3_(number)/6QzW9RkE">3</a></td><td><a href="/facts/4_(number)/zwN4alXI">4</a></td><td><a href="/facts/5_(number)/gshjM6ID">5</a></td><td><a href="/facts/6_(number)/MsEd6F54">6</a></td><td><a href="/facts/7_(number)/4GV2hz09">7</a></td><td><a href="/facts/8_(number)/TljQxSx9">8</a></td><td><a href="/facts/9_(number)/q5jvU1Dv">9</a></td><td><a href="/facts/Left_parenthesis/yzGM9J8A">(</a></td><td><a href="/facts/Bracket/yzGM9J8A">[</a></td><td><a href="/facts/Semicolon/VY8VsSPC">;</a></td><td><a href="/facts/%25C3%2597/XtsHgIbs">×</a></td><td><a href="/facts/Colon_(punctuation)/se9fjJa4">:</a></td><td><a href="/facts/Backslash/SoV79KPp">\</a></td></tr><tr><td>4x</td><td><a href="/facts/%25C2%25AF/41AF4mKp">¯</a></td><td><a href="/facts/%25E2%258D%25BA/6kUye5G0">⍺</a></td><td><a href="/facts/%25E2%258A%25A5/VmTneoCG">⊥</a></td><td><a href="/facts/%25E2%2588%25A9/RPfUNJh9">∩</a></td><td><a href="/facts/%25E2%258C%258A/ssehyMMf">⌊</a></td><td><a href="/facts/%25E2%2588%258A/Q2mx1vHL">∊</a></td><td><a href="/facts/Underscore/KJsRo3tA">_</a></td><td><a href="/facts/%25E2%2588%2587/NtcnUmyW">∇</a></td><td><a href="/facts/Delta_(letter)/otPsSYj6">∆</a></td><td><a href="/facts/%25E2%258D%25B3/6kUye5G0">⍳</a></td><td><a href="/facts/%25E2%2588%2598/DyPRSa50">∘</a></td><td><a href="/facts/Apostrophe/Te0sg9km">'</a></td><td><a href="/facts/%25E2%258E%2595/6kUye5G0">⎕</a></td><td><a href="/facts/%25E2%2588%25A3/DKNa2GvC">∣</a></td><td><a href="/facts/%25E2%258A%25A4/VhzVI4mb">⊤</a></td><td><a href="/facts/%25E2%2597%258B/41AF4mKp">○</a></td></tr><tr><td>5x</td><td><a href="/facts/%25E2%258B%2586/gpdYrcFK">⋆</a></td><td><a href="/facts/Question_mark/0D8z1rxr">?</a></td><td><a href="/facts/%25E2%258D%25B4/6kUye5G0">⍴</a></td><td><a href="/facts/%25E2%258C%2588/ssehyMMf">⌈</a></td><td><a href="/facts/%25E2%2588%25BC/wQTx6ytR">∼</a></td><td><a href="/facts/Arrow_(symbol)/byJNShrg">↓</a></td><td><a href="/facts/%25E2%2588%25AA/KVVXKfWl">∪</a></td><td><a href="/facts/%25E2%258D%25B5/6kUye5G0">⍵</a></td><td><a href="/facts/%25E2%258A%2583/fWHXw8QK">⊃</a></td><td><a href="/facts/Arrow_(symbol)/byJNShrg">↑</a></td><td><a href="/facts/%25E2%258A%2582/GBpVFJsL">⊂</a></td><td><a href="/facts/Arrow_(symbol)/byJNShrg">←</a></td><td><a href="/facts/%25E2%258A%25A2/AkqjsxHk">⊢</a></td><td><a href="/facts/Arrow_(symbol)/byJNShrg">→</a></td><td><a href="/facts/%25E2%2589%25A5/qkze4zdI">≥</a></td><td><a href="/facts/Hyphen-minus/TnWuz7hd">-</a></td></tr><tr><td>6x</td><td><a href="/facts/%25E2%258B%2584/jVnmA88j">⋄</a></td><td><a href="/facts/A/2R3BU1nc">A</a></td><td><a href="/facts/B/2ymGnJJk">B</a></td><td><a href="/facts/C/2e7jmUaG">C</a></td><td><a href="/facts/D/A6hNvmCp">D</a></td><td><a href="/facts/E/0G2cAFzu">E</a></td><td><a href="/facts/F/2Qhv29hR">F</a></td><td><a href="/facts/G/0wjXcPDT">G</a></td><td><a href="/facts/H/2ReerlNA">H</a></td><td><a href="/facts/I/2w7mqI7e">I</a></td><td><a href="/facts/J/0GzaA1zq">J</a></td><td><a href="/facts/K/68UJI9sK">K</a></td><td><a href="/facts/L/0Ge4MIc9">L</a></td><td><a href="/facts/M/24C1RjmQ">M</a></td><td><a href="/facts/N/0CEs8314">N</a></td><td><a href="/facts/O/41AF4mKp">O</a></td></tr><tr><td>7x</td><td><a href="/facts/P/41AF4mKp">P</a></td><td><a href="/facts/Q/3x6B7oLx">Q</a></td><td><a href="/facts/R/03wakXRv">R</a></td><td><a href="/facts/S/1DcekgEL">S</a></td><td><a href="/facts/T/1GaDe2Vy">T</a></td><td><a href="/facts/U/41AF4mKp">U</a></td><td><a href="/facts/V/41AF4mKp">V</a></td><td><a href="/facts/W/1qRkvAb9">W</a></td><td><a href="/facts/X/1qRkvAb9">X</a></td><td><a href="/facts/Y/anP6EhKq">Y</a></td><td><a href="/facts/Z/Bf1NUwpT">Z</a></td><td><a href="/facts/Bracket/yzGM9J8A"> { </a></td><td><a href="/facts/%25E2%258A%25A3/bJ1P7AN2">⊣</a></td><td><a href="/facts/Bracket/yzGM9J8A"> } </a></td><td><a href="/facts/Dollar_sign/4CroUuPn">$</a></td><td><a href="/facts/Delete_character/APtkobBv">DEL</a> </td></tr></tbody></table> <h2 id="composite-characters">Composite characters</h2> <p>The encoding intends that certain of the above characters should be able to be <a href="/facts/C0_control_codes/bBp1dGVl">represented at the same character position</a> to produce additional symbols required for APL as composite characters, such as the following:<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p> <table><tbody><tr><th>Combined characters</th><th>Composite character(s)</th><th><a href="/facts/Unicode/DDu3MfPV">Unicode</a></th></tr><tr><td>÷ and ⎕</td><td>⌹</td><td>U+2339 APL FUNCTIONAL SYMBOL QUAD DIVIDE</td></tr><tr><td>_ and ∆</td><td>⍙</td><td>U+2359 APL FUNCTIONAL SYMBOL DELTA UNDERBAR</td></tr><tr><td>_ and A to Z</td><td>A to Z</td><td></td></tr><tr><td>∘ and ⊥</td><td>⍎</td><td>U+234E APL FUNCTIONAL SYMBOL DOWN TACK JOT</td></tr><tr><td>∘ and ∩</td><td>⍝</td><td>U+235D APL FUNCTIONAL SYMBOL UP SHOE JOT</td></tr><tr><td>∘ and ⊤</td><td>⍕</td><td>U+2355 APL FUNCTIONAL SYMBOL UP TACK JOT</td></tr><tr><td>' and .</td><td>!</td><td>U+0021 EXCLAMATION MARK</td></tr><tr><td>' and ⎕</td><td>⍞</td><td>U+235E APL FUNCTIONAL SYMBOL QUOTE QUAD</td></tr><tr><td>| and ∇</td><td>⍒</td><td>U+234B APL FUNCTIONAL SYMBOL DEL STILE</td></tr><tr><td>| and ∆</td><td>⍋</td><td>U+2352 APL FUNCTIONAL SYMBOL DELTA STILE</td></tr><tr><td>○ and \</td><td>⍉</td><td>U+2349 APL FUNCTIONAL SYMBOL CIRCLE BACKSLASH</td></tr><tr><td>○ and |</td><td>⌽</td><td>U+233D APL FUNCTIONAL SYMBOL CIRCLE STILE</td></tr><tr><td>○ and ⋆</td><td>⍟</td><td>U+235F APL FUNCTIONAL SYMBOL CIRCLE STAR</td></tr><tr><td>○ and -</td><td>⊖</td><td>U+2296 CIRCLED MINUS</td></tr><tr><td>∼ and ∧</td><td>⍲</td><td>U+2372 APL FUNCTIONAL SYMBOL UP CARET TILDE</td></tr><tr><td>∼ and ∨</td><td>⍱</td><td>U+2371 APL FUNCTIONAL SYMBOL DOWN CARET TILDE</td></tr><tr><td>∼ and ∇</td><td>⍫</td><td>U+236B APL FUNCTIONAL SYMBOL DEL TILDE</td></tr><tr><td>- and /</td><td>⌿</td><td>U+233F APL FUNCTIONAL SYMBOL SLASH BAR</td></tr><tr><td>- and \</td><td>⍀</td><td>U+2340 APL FUNCTIONAL SYMBOL BACKSLASH BAR</td></tr></tbody></table> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Cowan, John (2020-07-17). "ISO-IR-68 to Unicode". Unicode.org. Unicode, Inc. Retrieved 2020-07-20. <a href="https://www.unicode.org/Public/MAPPINGS/VENDORS/MISC/APL-ISO-IR-68.TXT" target="_blank">https://www.unicode.org/Public/MAPPINGS/VENDORS/MISC/APL-ISO-IR-68.TXT</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Standards Council of Canada (1983-06-01). APL Character Set for Workspace Interchange (PDF). ITSCJ/IPSJ. ISO-IR-68. <a href="/wiki/Standards_Council_of_Canada" target="_blank">/wiki/Standards_Council_of_Canada</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Code Page 00371" (PDF). IBM. Archived from the original (PDF) on 2015-07-08. <a href="https://web.archive.org/web/20150708042225/http://www-03.ibm.com/systems/resources/systems_i_software_globalization_pdf_cp00371z.pdf" target="_blank">https://web.archive.org/web/20150708042225/http://www-03.ibm.com/systems/resources/systems_i_software_globalization_pdf_cp00371z.pdf</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Standards Council of Canada (1983-06-01). APL Character Set for Workspace Interchange (PDF). ITSCJ/IPSJ. ISO-IR-68. <a href="/wiki/Standards_Council_of_Canada" target="_blank">/wiki/Standards_Council_of_Canada</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Cowan, John (2020-07-17). "ISO-IR-68 to Unicode". Unicode.org. Unicode, Inc. Retrieved 2020-07-20. <a href="https://www.unicode.org/Public/MAPPINGS/VENDORS/MISC/APL-ISO-IR-68.TXT" target="_blank">https://www.unicode.org/Public/MAPPINGS/VENDORS/MISC/APL-ISO-IR-68.TXT</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Standards Council of Canada (1983-06-01). APL Character Set for Workspace Interchange (PDF). ITSCJ/IPSJ. ISO-IR-68. <a href="/wiki/Standards_Council_of_Canada" target="_blank">/wiki/Standards_Council_of_Canada</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> </ol>