## Miscellaneous technical | |||

`2300` | ⌀ | Diameter Sign | |

→ | `2205` ∅ empty set | ||

`2301` | ⌁ | Electric Arrow | |

* from ISO 2047 | |||

• | symbol for End of Transmission | ||

`2302` | ⌂ | House | |

`2303` | ⌃ | Up Arrowhead | |

→ | `005E` ^ circumflex accent | ||

→ | `02C4` ˄ modifier letter up arrowhead | ||

→ | `2038` ‸ caret | ||

→ | `2227` ∧ logical and | ||

`2304` | ⌄ | Down Arrowhead | |

→ | `02C5` ˅ modifier letter down arrowhead | ||

→ | `2228` ∨ logical or | ||

→ | `2335` ⌵ countersink | ||

`2305` | ⌅ | Projective | |

→ | `22BC` ⊼ nand | ||

`2306` | ⌆ | Perspective | |

`2307` | ⌇ | Wavy Line | |

→ | `2E3E` ⸾ wiggly vertical line | ||

→ | `3030` 〰 wavy dash | ||

## Ceilings and floors | |||

These characters are tall and narrow mathematical delimiters, in contrast to the quine corners or half brackets. They are also distinct from CJK corner brackets, which are wide quotation marks. | |||

`2308` | ⌈ | Left Ceiling | |

= | APL upstile | ||

→ | `2E22` ⸢ top left half bracket | ||

→ | `300C` 「 left corner bracket | ||

`2309` | ⌉ | Right Ceiling | |

→ | `20E7` ◌⃧ combining annuity symbol | ||

→ | `2E23` ⸣ top right half bracket | ||

`230A` | ⌊ | Left Floor | |

= | APL downstile | ||

→ | `2E24` ⸤ bottom left half bracket | ||

`230B` | ⌋ | Right Floor | |

→ | `300D` 」 right corner bracket | ||

→ | `2E25` ⸥ bottom right half bracket | ||

## Crops | |||

`230C` | ⌌ | Bottom Right Crop | |

• | set of four "crop" corners, arranged facing outward | ||

`230D` | ⌍ | Bottom Left Crop | |

`230E` | ⌎ | Top Right Crop | |

`230F` | ⌏ | Top Left Crop | |

## Miscellaneous technical | |||

`2310` | ⌐ | Reversed Not Sign | |

= | beginning of line | ||

→ | `00AC` ¬ not sign | ||

`2311` | ⌑ | Square Lozenge | |

= | Kissen (pillow) | ||

• | used as a command delimiter in some very old computers | ||

→ | `2BCF` ⯏ rotated white four pointed cusp | ||

`2312` | ⌒ | Arc | |

= | position of any line | ||

→ | `25E0` ◠ upper half circle | ||

`2313` | ⌓ | Segment | |

= | position of a surface | ||

`2314` | ⌔ | Sector | |

`2315` | ⌕ | Telephone Recorder | |

`2316` | ⌖ | Position Indicator | |

= | true position | ||

→ | `2BD0` ⯐ square position indicator | ||

`2317` | ⌗ | Viewdata Square | |

→ | `22D5` ⋕ equal and parallel to | ||

`2318` | ⌘ | Place Of Interest Sign | |

= | command key (1.0) | ||

= | operating system key (ISO 9995-7) | ||

`2319` | ⌙ | Turned Not Sign | |

= | line marker | ||

## User interface symbols | |||

`231A` | ⌚ | Watch | |

→ | `23F0` ⏰ alarm clock | ||

→ | `1F550` 🕐 clock face one oclock | ||

`231B` | ⌛ | Hourglass | |

= | alchemical symbol for hour | ||

## Quine corners | |||

These form a set of four quine corners, for quincuncial arrangement. They are also used in upper and lower pairs in mathematic, or more rarely in editorial usage as alternatives to half brackets. | |||

`231C` | ⌜ | Top Left Corner | |

→ | `2E00` ⸀ right angle substitution marker | ||

→ | `2E22` ⸢ top left half bracket | ||

`231D` | ⌝ | Top Right Corner | |

`231E` | ⌞ | Bottom Left Corner | |

`231F` | ⌟ | Bottom Right Corner | |

## Integral pieces | |||

`2320` | ⌠ | Top Half Integral | |

→ | `23AE` ⎮ integral extension | ||

`2321` | ⌡ | Bottom Half Integral | |

## Frown and smile | |||

`2322` | ⌢ | Frown | |

→ | `2040` ⁀ character tie | ||

`2323` | ⌣ | Smile | |

→ | `203F` ‿ undertie | ||

## Keyboard symbols | |||

`2324` | ⌤ | Up Arrowhead Between Two Horizontal Bars | |

= | enter key | ||

`2325` | ⌥ | Option Key | |

`2326` | ⌦ | Erase To The Right | |

= | delete to the right key | ||

`2327` | ⌧ | X In A Rectangle Box | |

= | clear key | ||

`2328` | ⌨ | Keyboard | |

→ | `1F5A6` 🖦 keyboard and mouse | ||

→ | `1F5AE` 🖮 wired keyboard | ||

## Deprecated angle brackets | |||

These characters are deprecated and are strongly discouraged for mathematical use because of their canonical equivalence to CJK punctuation. | |||

`2329` | 〈 | Left-Pointing Angle Bracket | |

→ | `003C` < less-than sign | ||

→ | `2039` ‹ single left-pointing angle quotation mark | ||

→ | `27E8` ⟨ mathematical left angle bracket | ||

≡ | `3008` 〈 left angle bracket | ||

`232A` | 〉 | Right-Pointing Angle Bracket | |

→ | `003E` > greater-than sign | ||

→ | `203A` › single right-pointing angle quotation mark | ||

→ | `27E9` ⟩ mathematical right angle bracket | ||

≡ | `3009` 〉 right angle bracket | ||

## Keyboard symbol | |||

`232B` | ⌫ | Erase To The Left | |

= | delete to the left key | ||

## Chemistry symbol | |||

`232C` | ⌬ | Benzene Ring | |

## Drafting symbols | |||

`232D` | ⌭ | Cylindricity | |

`232E` | ⌮ | All Around-Profile | |

`232F` | ⌯ | Symmetry | |

`2330` | ⌰ | Total Runout | |

`2331` | ⌱ | Dimension Origin | |

`2332` | ⌲ | Conical Taper | |

`2333` | ⌳ | Slope | |

→ | `25FA` ◺ lower left triangle | ||

`2334` | ⌴ | Counterbore | |

→ | `2423` ␣ open box | ||

`2335` | ⌵ | Countersink | |

→ | `2304` ⌄ down arrowhead | ||

## APL | |||

`2336` | ⌶ | Apl Functional Symbol I-Beam | |

`2337` | ⌷ | Apl Functional Symbol Squish Quad | |

→ | `2395` ⎕ apl functional symbol quad | ||

→ | `25AF` ▯ white vertical rectangle | ||

→ | `2AFF` ⫿ n-ary white vertical bar | ||

`2338` | ⌸ | Apl Functional Symbol Quad Equal | |

`2339` | ⌹ | Apl Functional Symbol Quad Divide | |

`233A` | ⌺ | Apl Functional Symbol Quad Diamond | |

→ | `26CB` ⛋ white diamond in square | ||

`233B` | ⌻ | Apl Functional Symbol Quad Jot | |

→ | `29C7` ⧇ squared small circle | ||

`233C` | ⌼ | Apl Functional Symbol Quad Circle | |

`233D` | ⌽ | Apl Functional Symbol Circle Stile | |

`233E` | ⌾ | Apl Functional Symbol Circle Jot | |

→ | `229A` ⊚ circled ring operator | ||

→ | `29BE` ⦾ circled white bullet | ||

`233F` | ⌿ | Apl Functional Symbol Slash Bar | |

→ | `1019A` 𐆚 roman as sign | ||

`2340` | ⍀ | Apl Functional Symbol Backslash Bar | |

→ | `29F7` ⧷ reverse solidus with horizontal stroke | ||

`2341` | ⍁ | Apl Functional Symbol Quad Slash | |

→ | `29C4` ⧄ squared rising diagonal slash | ||

`2342` | ⍂ | Apl Functional Symbol Quad Backslash | |

→ | `29C5` ⧅ squared falling diagonal slash | ||

`2343` | ⍃ | Apl Functional Symbol Quad Less-Than | |

`2344` | ⍄ | Apl Functional Symbol Quad Greater-Than | |

`2345` | ⍅ | Apl Functional Symbol Leftwards Vane | |

`2346` | ⍆ | Apl Functional Symbol Rightwards Vane | |

`2347` | ⍇ | Apl Functional Symbol Quad Leftwards Arrow | |

`2348` | ⍈ | Apl Functional Symbol Quad Rightwards Arrow | |

`2349` | ⍉ | Apl Functional Symbol Circle Backslash | |

→ | `29B0` ⦰ reversed empty set | ||

`234A` | ⍊ | Apl Functional Symbol Down Tack Underbar | |

= | up tack underbar | ||

* preferred naming for APL tack symbols now follows the London Convention in ISO/IEC 13751:2000 (APL Extended) | |||

→ | `22A5` ⊥ up tack | ||

`234B` | ⍋ | Apl Functional Symbol Delta Stile | |

`234C` | ⍌ | Apl Functional Symbol Quad Down Caret | |

`234D` | ⍍ | Apl Functional Symbol Quad Delta | |

`234E` | ⍎ | Apl Functional Symbol Down Tack Jot | |

= | up tack jot | ||

→ | `22A5` ⊥ up tack | ||

`234F` | ⍏ | Apl Functional Symbol Upwards Vane | |

`2350` | ⍐ | Apl Functional Symbol Quad Upwards Arrow | |

`2351` | ⍑ | Apl Functional Symbol Up Tack Overbar | |

= | down tack overbar | ||

→ | `22A4` ⊤ down tack | ||

→ | `3012` 〒 postal mark | ||

`2352` | ⍒ | Apl Functional Symbol Del Stile | |

`2353` | ⍓ | Apl Functional Symbol Quad Up Caret | |

→ | `2BB9` ⮹ up arrowhead in a rectangle box | ||

`2354` | ⍔ | Apl Functional Symbol Quad Del | |

`2355` | ⍕ | Apl Functional Symbol Up Tack Jot | |

= | down tack jot | ||

→ | `22A4` ⊤ down tack | ||

`2356` | ⍖ | Apl Functional Symbol Downwards Vane | |

`2357` | ⍗ | Apl Functional Symbol Quad Downwards Arrow | |

`2358` | ⍘ | Apl Functional Symbol Quote Underbar | |

`2359` | ⍙ | Apl Functional Symbol Delta Underbar | |

`235A` | ⍚ | Apl Functional Symbol Diamond Underbar | |

`235B` | ⍛ | Apl Functional Symbol Jot Underbar | |

`235C` | ⍜ | Apl Functional Symbol Circle Underbar | |

`235D` | ⍝ | Apl Functional Symbol Up Shoe Jot | |

→ | `2A40` ⩀ intersection with dot | ||

`235E` | ⍞ | Apl Functional Symbol Quote Quad | |

`235F` | ⍟ | Apl Functional Symbol Circle Star | |

→ | `229B` ⊛ circled asterisk operator | ||

`2360` | ⍠ | Apl Functional Symbol Quad Colon | |

`2361` | ⍡ | Apl Functional Symbol Up Tack Diaeresis | |

= | down tack diaeresis | ||

→ | `22A4` ⊤ down tack | ||

`2362` | ⍢ | Apl Functional Symbol Del Diaeresis | |

`2363` | ⍣ | Apl Functional Symbol Star Diaeresis | |

`2364` | ⍤ | Apl Functional Symbol Jot Diaeresis | |

= | hoot | ||

`2365` | ⍥ | Apl Functional Symbol Circle Diaeresis | |

= | holler | ||

`2366` | ⍦ | Apl Functional Symbol Down Shoe Stile | |

`2367` | ⍧ | Apl Functional Symbol Left Shoe Stile | |

`2368` | ⍨ | Apl Functional Symbol Tilde Diaeresis | |

= | smirk | ||

`2369` | ⍩ | Apl Functional Symbol Greater-Than Diaeresis | |

`236A` | ⍪ | Apl Functional Symbol Comma Bar | |

`236B` | ⍫ | Apl Functional Symbol Del Tilde | |

`236C` | ⍬ | Apl Functional Symbol Zilde | |

`236D` | ⍭ | Apl Functional Symbol Stile Tilde | |

`236E` | ⍮ | Apl Functional Symbol Semicolon Underbar | |

`236F` | ⍯ | Apl Functional Symbol Quad Not Equal | |

`2370` | ⍰ | Apl Functional Symbol Quad Question | |

→ | `2BD1` ⯑ uncertainty sign | ||

`2371` | ⍱ | Apl Functional Symbol Down Caret Tilde | |

`2372` | ⍲ | Apl Functional Symbol Up Caret Tilde | |

`2373` | ⍳ | Apl Functional Symbol Iota | |

`2374` | ⍴ | Apl Functional Symbol Rho | |

`2375` | ⍵ | Apl Functional Symbol Omega | |

`2376` | ⍶ | Apl Functional Symbol Alpha Underbar | |

`2377` | ⍷ | Apl Functional Symbol Epsilon Underbar | |

`2378` | ⍸ | Apl Functional Symbol Iota Underbar | |

`2379` | ⍹ | Apl Functional Symbol Omega Underbar | |

`237A` | ⍺ | Apl Functional Symbol Alpha | |

## Graphics for control codes | |||

`237B` | ⍻ | Not Check Mark | |

* from ISO 2047 | |||

• | symbol for Negative Acknowledge | ||

## Miscellaneous technical | |||

`237C` | ⍼ | Right Angle With Downwards Zigzag Arrow | |

## Graphics for control codes | |||

`237D` | ⍽ | Shouldered Open Box | |

* from ISO 9995-7 | |||

• | keyboard symbol for No Break Space | ||

→ | `2423` ␣ open box | ||

`237E` | ⍾ | Bell Symbol | |

* from ISO 2047 | |||

`237F` | ⍿ | Vertical Line With Middle Dot | |

* from ISO 2047 | |||

• | symbol for End of Medium | ||

## Keyboard symbols from ISO 9995-7 | |||

`2380` | ⎀ | Insertion Symbol | |

`2381` | ⎁ | Continuous Underline Symbol | |

`2382` | ⎂ | Discontinuous Underline Symbol | |

`2383` | ⎃ | Emphasis Symbol | |

`2384` | ⎄ | Composition Symbol | |

`2385` | ⎅ | White Square With Centre Vertical Line | |

= | center | ||

`2386` | ⎆ | Enter Symbol | |

`2387` | ⎇ | Alternative Key Symbol | |

`2388` | ⎈ | Helm Symbol | |

= | control | ||

→ | `2638` ☸ wheel of dharma | ||

`2389` | ⎉ | Circled Horizontal Bar With Notch | |

= | pause | ||

`238A` | ⎊ | Circled Triangle Down | |

= | interrupt, break | ||

`238B` | ⎋ | Broken Circle With Northwest Arrow | |

= | escape | ||

`238C` | ⎌ | Undo Symbol | |

## Electrotechnical symbols from IR 181 | |||

`238D` | ⎍ | Monostable Symbol | |

`238E` | ⎎ | Hysteresis Symbol | |

`238F` | ⎏ | Open-Circuit-Output H-Type Symbol | |

`2390` | ⎐ | Open-Circuit-Output L-Type Symbol | |

`2391` | ⎑ | Passive-Pull-Down-Output Symbol | |

`2392` | ⎒ | Passive-Pull-Up-Output Symbol | |

`2393` | ⎓ | Direct Current Symbol Form Two | |

`2394` | ⎔ | Software-Function Symbol | |

## APL | |||

`2395` | ⎕ | Apl Functional Symbol Quad | |

→ | `2337` ⌷ apl functional symbol squish quad | ||

→ | `25AF` ▯ white vertical rectangle | ||

## Keyboard symbols from ISO 9995-7 | |||

`2396` | ⎖ | Decimal Separator Key Symbol | |

`2397` | ⎗ | Previous Page | |

→ | `1F519` 🔙 back with leftwards arrow above | ||

`2398` | ⎘ | Next Page | |

`2399` | ⎙ | Print Screen Symbol | |

`239A` | ⎚ | Clear Screen Symbol | |

→ | `20E2` ◌⃢ combining enclosing screen | ||

## Bracket pieces | |||

`239B` | ⎛ | Left Parenthesis Upper Hook | |

`239C` | ⎜ | Left Parenthesis Extension | |

`239D` | ⎝ | Left Parenthesis Lower Hook | |

`239E` | ⎞ | Right Parenthesis Upper Hook | |

`239F` | ⎟ | Right Parenthesis Extension | |

`23A0` | ⎠ | Right Parenthesis Lower Hook | |

`23A1` | ⎡ | Left Square Bracket Upper Corner | |

`23A2` | ⎢ | Left Square Bracket Extension | |

`23A3` | ⎣ | Left Square Bracket Lower Corner | |

`23A4` | ⎤ | Right Square Bracket Upper Corner | |

`23A5` | ⎥ | Right Square Bracket Extension | |

`23A6` | ⎦ | Right Square Bracket Lower Corner | |

`23A7` | ⎧ | Left Curly Bracket Upper Hook | |

`23A8` | ⎨ | Left Curly Bracket Middle Piece | |

`23A9` | ⎩ | Left Curly Bracket Lower Hook | |

`23AA` | ⎪ | Curly Bracket Extension | |

`23AB` | ⎫ | Right Curly Bracket Upper Hook | |

`23AC` | ⎬ | Right Curly Bracket Middle Piece | |

`23AD` | ⎭ | Right Curly Bracket Lower Hook | |

## Special character extensions | |||

`23AE` | ⎮ | Integral Extension | |

→ | `2320` ⌠ top half integral | ||

→ | `2321` ⌡ bottom half integral | ||

`23AF` | ⎯ | Horizontal Line Extension | |

• | used for extension of arrows | ||

→ | `23D0` ⏐ vertical line extension | ||

## Bracket pieces | |||

`23B0` | ⎰ | Upper Left Or Lower Right Curly Bracket Section | |

= | left moustache | ||

`23B1` | ⎱ | Upper Right Or Lower Left Curly Bracket Section | |

= | right moustache | ||

## Summation sign parts | |||

`23B2` | ⎲ | Summation Top | |

`23B3` | ⎳ | Summation Bottom | |

→ | `2211` ∑ n-ary summation | ||

## Horizontal brackets | |||

These characters are also used as delimiters of vertical text in non-CJK terminal emulation. | |||

`23B4` | ⎴ | Top Square Bracket | |

→ | `FE47` ﹇ presentation form for vertical left square bracket | ||

`23B5` | ⎵ | Bottom Square Bracket | |

→ | `FE48` ﹈ presentation form for vertical right square bracket | ||

`23B6` | ⎶ | Bottom Square Bracket Over Top Square Bracket | |

• | only used for terminal emulation | ||

## Terminal graphic characters | |||

`23B7` | ⎷ | Radical Symbol Bottom | |

`23B8` | ⎸ | Left Vertical Box Line | |

`23B9` | ⎹ | Right Vertical Box Line | |

## Scan lines for terminal graphics | |||

The scan line numbers here refer to old, low-resolution technology for terminals, with only 9 scan lines per fixed-size character glyph. Even-numbered scan lines are unified with box-drawing graphics. | |||

`23BA` | ⎺ | Horizontal Scan Line-1 | |

`23BB` | ⎻ | Horizontal Scan Line-3 | |

`23BC` | ⎼ | Horizontal Scan Line-7 | |

`23BD` | ⎽ | Horizontal Scan Line-9 | |

## Dentistry notation symbols | |||

`23BE` | ⎾ | Dentistry Symbol Light Vertical And Top Right | |

→ | `2308` ⌈ left ceiling | ||

`23BF` | ⎿ | Dentistry Symbol Light Vertical And Bottom Right | |

→ | `230A` ⌊ left floor | ||

`23C0` | ⏀ | Dentistry Symbol Light Vertical With Circle | |

`23C1` | ⏁ | Dentistry Symbol Light Down And Horizontal With Circle | |

`23C2` | ⏂ | Dentistry Symbol Light Up And Horizontal With Circle | |

`23C3` | ⏃ | Dentistry Symbol Light Vertical With Triangle | |

`23C4` | ⏄ | Dentistry Symbol Light Down And Horizontal With Triangle | |

`23C5` | ⏅ | Dentistry Symbol Light Up And Horizontal With Triangle | |

`23C6` | ⏆ | Dentistry Symbol Light Vertical And Wave | |

`23C7` | ⏇ | Dentistry Symbol Light Down And Horizontal With Wave | |

`23C8` | ⏈ | Dentistry Symbol Light Up And Horizontal With Wave | |

`23C9` | ⏉ | Dentistry Symbol Light Down And Horizontal | |

→ | `22A4` ⊤ down tack | ||

→ | `252C` ┬ box drawings light down and horizontal | ||

`23CA` | ⏊ | Dentistry Symbol Light Up And Horizontal | |

→ | `22A5` ⊥ up tack | ||

→ | `2534` ┴ box drawings light up and horizontal | ||

`23CB` | ⏋ | Dentistry Symbol Light Vertical And Top Left | |

→ | `2309` ⌉ right ceiling | ||

`23CC` | ⏌ | Dentistry Symbol Light Vertical And Bottom Left | |

→ | `230B` ⌋ right floor | ||

## Miscellaneous technical | |||

`23CD` | ⏍ | Square Foot | |

## Keyboard and UI symbols | |||

`23CE` | ⏎ | Return Symbol | |

• | may be shown with either hollow or filled glyph | ||

→ | `21B5` ↵ downwards arrow with corner leftwards | ||

→ | `2B90` ⮐ return left | ||

`23CF` | ⏏ | Eject Symbol | |

• | UI symbol to eject media | ||

## Special character extension | |||

`23D0` | ⏐ | Vertical Line Extension | |

• | used for extension of arrows | ||

→ | `23AF` ⎯ horizontal line extension | ||

## Metrical symbols | |||

`23D1` | ⏑ | Metrical Breve | |

`23D2` | ⏒ | Metrical Long Over Short | |

`23D3` | ⏓ | Metrical Short Over Long | |

`23D4` | ⏔ | Metrical Long Over Two Shorts | |

`23D5` | ⏕ | Metrical Two Shorts Over Long | |

`23D6` | ⏖ | Metrical Two Shorts Joined | |

`23D7` | ⏗ | Metrical Triseme | |

→ | `1D242` ◌𝉂 combining greek musical triseme | ||

`23D8` | ⏘ | Metrical Tetraseme | |

→ | `1D243` ◌𝉃 combining greek musical tetraseme | ||

`23D9` | ⏙ | Metrical Pentaseme | |

→ | `1D244` ◌𝉄 combining greek musical pentaseme | ||

## Electrotechnical symbols | |||

`23DA` | ⏚ | Earth Ground | |

`23DB` | ⏛ | Fuse | |

## Horizontal brackets | |||

These are intended for bracketing terms of mathematical expressions where their glyph extends to accommodate the width of the bracketed expression | |||

`23DC` | ⏜ | Top Parenthesis | |

→ | `FE35` ︵ presentation form for vertical left parenthesis | ||

`23DD` | ⏝ | Bottom Parenthesis | |

→ | `FE36` ︶ presentation form for vertical right parenthesis | ||

`23DE` | ⏞ | Top Curly Bracket | |

→ | `FE37` ︷ presentation form for vertical left curly bracket | ||

`23DF` | ⏟ | Bottom Curly Bracket | |

→ | `FE38` ︸ presentation form for vertical right curly bracket | ||

`23E0` | ⏠ | Top Tortoise Shell Bracket | |

→ | `FE39` ︹ presentation form for vertical left tortoise shell bracket | ||

`23E1` | ⏡ | Bottom Tortoise Shell Bracket | |

→ | `FE3A` ︺ presentation form for vertical right tortoise shell bracket | ||

## Miscellaneous technical | |||

`23E2` | ⏢ | White Trapezium | |

## Chemistry symbol | |||

`23E3` | ⏣ | Benzene Ring With Circle | |

## Miscellaneous technical | |||

`23E4` | ⏤ | Straightness | |

`23E5` | ⏥ | Flatness | |

`23E6` | ⏦ | Ac Current | |

`23E7` | ⏧ | Electrical Intersection | |

`23E8` | ⏨ | Decimal Exponent Symbol | |

• | Algol-60 token for scientific notation literals | ||

## User interface symbols | |||

`23E9` | ⏩ | Black Right-Pointing Double Triangle | |

= | fast forward | ||

`23EA` | ⏪ | Black Left-Pointing Double Triangle | |

= | fast rewind | ||

`23EB` | ⏫ | Black Up-Pointing Double Triangle | |

`23EC` | ⏬ | Black Down-Pointing Double Triangle | |

`23ED` | ⏭ | Black Right-Pointing Double Triangle With Vertical Bar | |

`23EE` | ⏮ | Black Left-Pointing Double Triangle With Vertical Bar | |

`23EF` | ⏯ | Black Right-Pointing Triangle With Double Vertical Bar | |

`23F0` | ⏰ | Alarm Clock | |

→ | `231A` ⌚ watch | ||

→ | `1F550` 🕐 clock face one oclock | ||

→ | `1F570` 🕰 mantelpiece clock | ||

`23F1` | ⏱ | Stopwatch | |

`23F2` | ⏲ | Timer Clock | |

`23F3` | ⏳ | Hourglass With Flowing Sand | |

→ | `231B` ⌛ hourglass | ||

`23F4` | ⏴ | Black Medium Left-Pointing Triangle | |

= | reverse, back | ||

• | preferred to `25C0` ◀ black left-pointing triangle | ||

→ | `1F780` 🞀 black left-pointing isosceles right triangle | ||

`23F5` | ⏵ | Black Medium Right-Pointing Triangle | |

= | forward | ||

• | preferred to `25B6` ▶ black right-pointing triangle | ||

→ | `1F782` 🞂 black right-pointing isosceles right triangle | ||

`23F6` | ⏶ | Black Medium Up-Pointing Triangle | |

= | increase | ||

• | preferred to `25B2` ▲ black up-pointing triangle | ||

→ | `1F781` 🞁 black up-pointing isosceles right triangle | ||

`23F7` | ⏷ | Black Medium Down-Pointing Triangle | |

= | decrease | ||

• | preferred to `25BC` ▼ black down-pointing triangle | ||

→ | `1F783` 🞃 black down-pointing isosceles right triangle | ||

`23F8` | ⏸ | Double Vertical Bar | |

= | pause | ||

→ | `2016` ‖ double vertical line | ||

`23F9` | ⏹ | Black Square For Stop | |

= | stop | ||

→ | `25FC` ◼ black medium square | ||

`23FA` | ⏺ | Black Circle For Record | |

= | record | ||

→ | `26AB` ⚫ medium black circle | ||

## Power symbols from ISO 7000:2012 | |||

`23FB` | ⏻ | Power Symbol | |

* IEC 5009 standby symbol | |||

* IEEE 1621 power symbol | |||

`23FC` | ⏼ | Power On-Off Symbol | |

* IEC 5010 power on-off symbol | |||

`23FD` | ⏽ | Power On Symbol | |

• | use `2B58` ⭘ for power off symbol | ||

→ | `2B58` ⭘ heavy circle | ||

## Power symbol from IEEE 1621-2004 | |||

`23FE` | ⏾ | Power Sleep Symbol | |

→ | `263E` ☾ last quarter moon | ||

## ~ ! |