PROTOTYPE

See also the currently published format: U2300.pdf, and the raw data parsed from NamesList.txt: 2300.json.

2300 Miscellaneous Technical 23FF

Miscellaneous technical

2300 DIAMETER SIGN

CROSS_REF { "name2": "latin small letter o with stroke", "cp2": "00F8" }

CROSS_REF { "name2": "empty set", "cp2": "2205" }

2301 ELECTRIC ARROW

COMMENT_LINE { "bullet": "*", "text": "from ISO 2047" }

COMMENT_LINE { "bullet": "*", "text": "symbol for End of Transmission" }

2302 HOUSE
2303 UP ARROWHEAD

CROSS_REF { "name2": "circumflex accent", "cp2": "005E" }

CROSS_REF { "name2": "modifier letter up arrowhead", "cp2": "02C4" }

CROSS_REF { "name2": "caret", "cp2": "2038" }

CROSS_REF { "name2": "logical and", "cp2": "2227" }

2304 DOWN ARROWHEAD

CROSS_REF { "name2": "modifier letter down arrowhead", "cp2": "02C5" }

CROSS_REF { "name2": "logical or", "cp2": "2228" }

CROSS_REF { "name2": "countersink", "cp2": "2335" }

2305 PROJECTIVE

CROSS_REF { "name2": "nand", "cp2": "22BC" }

2306 PERSPECTIVE
2307 WAVY LINE

CROSS_REF { "name2": "wiggly vertical line", "cp2": "2E3E" }

CROSS_REF { "name2": "wavy dash", "cp2": "3030" }

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

ALIAS_LINE { "text": "APL upstile" }

CROSS_REF { "name2": "top left half bracket", "cp2": "2E22" }

CROSS_REF { "name2": "left corner bracket", "cp2": "300C" }

2309 RIGHT CEILING

CROSS_REF { "name2": "combining annuity symbol", "cp2": "20E7" }

CROSS_REF { "name2": "top right half bracket", "cp2": "2E23" }

230A LEFT FLOOR

ALIAS_LINE { "text": "APL downstile" }

CROSS_REF { "name2": "bottom left half bracket", "cp2": "2E24" }

230B RIGHT FLOOR

CROSS_REF { "name2": "right corner bracket", "cp2": "300D" }

CROSS_REF { "name2": "bottom right half bracket", "cp2": "2E25" }

Crops

230C BOTTOM RIGHT CROP

COMMENT_LINE { "bullet": "*", "text": "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

ALIAS_LINE { "text": "beginning of line" }

CROSS_REF { "name2": "not sign", "cp2": "00AC" }

2311 SQUARE LOZENGE

ALIAS_LINE { "text": "Kissen (pillow)" }

COMMENT_LINE { "bullet": "*", "text": "used as a command delimiter in some very old computers" }

CROSS_REF { "name2": "rotated white four pointed cusp", "cp2": "2BCF" }

2312 ARC

ALIAS_LINE { "text": "position of any line" }

CROSS_REF { "name2": "upper half circle", "cp2": "25E0" }

2313 SEGMENT

ALIAS_LINE { "text": "position of a surface" }

2314 SECTOR
2315 TELEPHONE RECORDER
2316 POSITION INDICATOR

ALIAS_LINE { "text": "true position" }

CROSS_REF { "name2": "square position indicator", "cp2": "2BD0" }

2317 VIEWDATA SQUARE

CROSS_REF { "name2": "equal and parallel to", "cp2": "22D5" }

2318 PLACE OF INTEREST SIGN

ALIAS_LINE { "text": "command key (1.0)" }

ALIAS_LINE { "text": "operating system key (ISO 9995-7)" }

2319 TURNED NOT SIGN

ALIAS_LINE { "text": "line marker" }

User interface symbols

231A WATCH

CROSS_REF { "name2": "alarm clock", "cp2": "23F0" }

CROSS_REF { "name2": "clock face one oclock", "cp2": "1F550" }

231B HOURGLASS

ALIAS_LINE { "text": "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 mathematics, or more rarely in editorial usage as alternatives to half brackets.

231C TOP LEFT CORNER

CROSS_REF { "name2": "right angle substitution marker", "cp2": "2E00" }

CROSS_REF { "name2": "top left half bracket", "cp2": "2E22" }

231D TOP RIGHT CORNER
231E BOTTOM LEFT CORNER
231F BOTTOM RIGHT CORNER

Integral pieces

2320 TOP HALF INTEGRAL

CROSS_REF { "name2": "integral extension", "cp2": "23AE" }

2321 BOTTOM HALF INTEGRAL

Frown and smile

2322 FROWN

CROSS_REF { "name2": "character tie", "cp2": "2040" }

2323 SMILE

CROSS_REF { "name2": "undertie", "cp2": "203F" }

Keyboard symbols

2324 UP ARROWHEAD BETWEEN TWO HORIZONTAL BARS

ALIAS_LINE { "text": "enter key" }

2325 OPTION KEY
2326 ERASE TO THE RIGHT

ALIAS_LINE { "text": "delete to the right key" }

2327 X IN A RECTANGLE BOX

ALIAS_LINE { "text": "clear key" }

CROSS_REF { "name2": "ballot box with x", "cp2": "2612" }

2328 KEYBOARD

CROSS_REF { "name2": "keyboard and mouse", "cp2": "1F5A6" }

CROSS_REF { "name2": "wired keyboard", "cp2": "1F5AE" }

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

CROSS_REF { "name2": "less-than sign", "cp2": "003C" }

CROSS_REF { "name2": "single left-pointing angle quotation mark", "cp2": "2039" }

CROSS_REF { "name2": "mathematical left angle bracket", "cp2": "27E8" }

COMMENT_LINE { "text": ": 3008 left angle bracket" }

232A RIGHT-POINTING ANGLE BRACKET

CROSS_REF { "name2": "greater-than sign", "cp2": "003E" }

CROSS_REF { "name2": "single right-pointing angle quotation mark", "cp2": "203A" }

CROSS_REF { "name2": "mathematical right angle bracket", "cp2": "27E9" }

COMMENT_LINE { "text": ": 3009 right angle bracket" }

Keyboard symbol

232B ERASE TO THE LEFT

ALIAS_LINE { "text": "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

CROSS_REF { "name2": "lower left triangle", "cp2": "25FA" }

2334 COUNTERBORE

CROSS_REF { "name2": "open box", "cp2": "2423" }

2335 COUNTERSINK

CROSS_REF { "name2": "down arrowhead", "cp2": "2304" }

APL

2336 APL FUNCTIONAL SYMBOL I-BEAM
2337 APL FUNCTIONAL SYMBOL SQUISH QUAD

CROSS_REF { "name2": "apl functional symbol quad", "cp2": "2395" }

CROSS_REF { "name2": "white vertical rectangle", "cp2": "25AF" }

CROSS_REF { "name2": "n-ary white vertical bar", "cp2": "2AFF" }

2338 APL FUNCTIONAL SYMBOL QUAD EQUAL
2339 APL FUNCTIONAL SYMBOL QUAD DIVIDE
233A APL FUNCTIONAL SYMBOL QUAD DIAMOND

CROSS_REF { "name2": "white diamond in square", "cp2": "26CB" }

233B APL FUNCTIONAL SYMBOL QUAD JOT

CROSS_REF { "name2": "squared small circle", "cp2": "29C7" }

233C APL FUNCTIONAL SYMBOL QUAD CIRCLE
233D APL FUNCTIONAL SYMBOL CIRCLE STILE
233E APL FUNCTIONAL SYMBOL CIRCLE JOT

CROSS_REF { "name2": "circled ring operator", "cp2": "229A" }

CROSS_REF { "name2": "circled white bullet", "cp2": "29BE" }

233F APL FUNCTIONAL SYMBOL SLASH BAR

CROSS_REF { "name2": "roman as sign", "cp2": "1019A" }

2340 APL FUNCTIONAL SYMBOL BACKSLASH BAR

CROSS_REF { "name2": "reverse solidus with horizontal stroke", "cp2": "29F7" }

2341 APL FUNCTIONAL SYMBOL QUAD SLASH

CROSS_REF { "name2": "squared rising diagonal slash", "cp2": "29C4" }

2342 APL FUNCTIONAL SYMBOL QUAD BACKSLASH

CROSS_REF { "name2": "squared falling diagonal slash", "cp2": "29C5" }

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

CROSS_REF { "name2": "reversed empty set", "cp2": "29B0" }

234A APL FUNCTIONAL SYMBOL DOWN TACK UNDERBAR

ALIAS_LINE { "text": "up tack underbar" }

COMMENT_LINE { "bullet": "*", "text": "preferred naming for APL tack symbols now follows the London Convention in ISO/IEC 13751:2000 (APL Extended)" }

CROSS_REF { "name2": "up tack", "cp2": "22A5" }

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

ALIAS_LINE { "text": "up tack jot" }

CROSS_REF { "name2": "up tack", "cp2": "22A5" }

234F APL FUNCTIONAL SYMBOL UPWARDS VANE
2350 APL FUNCTIONAL SYMBOL QUAD UPWARDS ARROW
2351 APL FUNCTIONAL SYMBOL UP TACK OVERBAR

ALIAS_LINE { "text": "down tack overbar" }

CROSS_REF { "name2": "down tack", "cp2": "22A4" }

CROSS_REF { "name2": "postal mark", "cp2": "3012" }

2352 APL FUNCTIONAL SYMBOL DEL STILE
2353 APL FUNCTIONAL SYMBOL QUAD UP CARET

CROSS_REF { "name2": "up arrowhead in a rectangle box", "cp2": "2BB9" }

2354 APL FUNCTIONAL SYMBOL QUAD DEL
2355 APL FUNCTIONAL SYMBOL UP TACK JOT

ALIAS_LINE { "text": "down tack jot" }

CROSS_REF { "name2": "down tack", "cp2": "22A4" }

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

CROSS_REF { "name2": "intersection with dot", "cp2": "2A40" }

235E APL FUNCTIONAL SYMBOL QUOTE QUAD
235F APL FUNCTIONAL SYMBOL CIRCLE STAR

CROSS_REF { "name2": "circled asterisk operator", "cp2": "229B" }

2360 APL FUNCTIONAL SYMBOL QUAD COLON
2361 APL FUNCTIONAL SYMBOL UP TACK DIAERESIS

ALIAS_LINE { "text": "down tack diaeresis" }

CROSS_REF { "name2": "down tack", "cp2": "22A4" }

2362 APL FUNCTIONAL SYMBOL DEL DIAERESIS
2363 APL FUNCTIONAL SYMBOL STAR DIAERESIS
2364 APL FUNCTIONAL SYMBOL JOT DIAERESIS

ALIAS_LINE { "text": "hoot" }

2365 APL FUNCTIONAL SYMBOL CIRCLE DIAERESIS

ALIAS_LINE { "text": "holler" }

2366 APL FUNCTIONAL SYMBOL DOWN SHOE STILE
2367 APL FUNCTIONAL SYMBOL LEFT SHOE STILE
2368 APL FUNCTIONAL SYMBOL TILDE DIAERESIS

ALIAS_LINE { "text": "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

CROSS_REF { "name2": "uncertainty sign", "cp2": "2BD1" }

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

COMMENT_LINE { "bullet": "*", "text": "from ISO 2047" }

COMMENT_LINE { "bullet": "*", "text": "symbol for Negative Acknowledge" }

Miscellaneous technical

237C RIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROW

Graphics for control codes

237D SHOULDERED OPEN BOX

COMMENT_LINE { "bullet": "*", "text": "from ISO 9995-7" }

COMMENT_LINE { "bullet": "*", "text": "keyboard symbol for No Break Space" }

CROSS_REF { "name2": "open box", "cp2": "2423" }

237E BELL SYMBOL

COMMENT_LINE { "bullet": "*", "text": "from ISO 2047" }

237F VERTICAL LINE WITH MIDDLE DOT

COMMENT_LINE { "bullet": "*", "text": "from ISO 2047" }

COMMENT_LINE { "bullet": "*", "text": "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

ALIAS_LINE { "text": "center" }

2386 ENTER SYMBOL
2387 ALTERNATIVE KEY SYMBOL
2388 HELM SYMBOL

ALIAS_LINE { "text": "control" }

CROSS_REF { "name2": "wheel of dharma", "cp2": "2638" }

2389 CIRCLED HORIZONTAL BAR WITH NOTCH

ALIAS_LINE { "text": "pause" }

238A CIRCLED TRIANGLE DOWN

ALIAS_LINE { "text": "interrupt, break" }

238B BROKEN CIRCLE WITH NORTHWEST ARROW

ALIAS_LINE { "text": "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

CROSS_REF { "name2": "white hexagon", "cp2": "2B21" }

APL

2395 APL FUNCTIONAL SYMBOL QUAD

CROSS_REF { "name2": "apl functional symbol squish quad", "cp2": "2337" }

CROSS_REF { "name2": "white vertical rectangle", "cp2": "25AF" }

Keyboard symbols from ISO 9995-7

2396 DECIMAL SEPARATOR KEY SYMBOL
2397 PREVIOUS PAGE

CROSS_REF { "name2": "back with leftwards arrow above", "cp2": "1F519" }

2398 NEXT PAGE
2399 PRINT SCREEN SYMBOL
239A CLEAR SCREEN SYMBOL

CROSS_REF { "name2": "combining enclosing screen", "cp2": "20E2" }

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

CROSS_REF { "name2": "top half integral", "cp2": "2320" }

CROSS_REF { "name2": "bottom half integral", "cp2": "2321" }

23AF HORIZONTAL LINE EXTENSION

COMMENT_LINE { "bullet": "*", "text": "used for extension of arrows" }

CROSS_REF { "name2": "vertical line extension", "cp2": "23D0" }

Bracket pieces

23B0 UPPER LEFT OR LOWER RIGHT CURLY BRACKET SECTION

ALIAS_LINE { "text": "left moustache" }

23B1 UPPER RIGHT OR LOWER LEFT CURLY BRACKET SECTION

ALIAS_LINE { "text": "right moustache" }

Summation sign parts

23B2 SUMMATION TOP
23B3 SUMMATION BOTTOM

CROSS_REF { "name2": "n-ary summation", "cp2": "2211" }

Horizontal brackets

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

23B4 TOP SQUARE BRACKET

CROSS_REF { "name2": "presentation form for vertical left square bracket", "cp2": "FE47" }

23B5 BOTTOM SQUARE BRACKET

CROSS_REF { "name2": "presentation form for vertical right square bracket", "cp2": "FE48" }

23B6 BOTTOM SQUARE BRACKET OVER TOP SQUARE BRACKET

COMMENT_LINE { "bullet": "*", "text": "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.

23BA HORIZONTAL SCAN LINE-1
23BB HORIZONTAL SCAN LINE-3

COMMENT_LINE { "bullet": "*", "text": "scan line-5 is unified with the box-drawing graphic character 2500" }

23BC HORIZONTAL SCAN LINE-7
23BD HORIZONTAL SCAN LINE-9

Dentistry notation symbols

23BE DENTISTRY SYMBOL LIGHT VERTICAL AND TOP RIGHT

CROSS_REF { "name2": "left ceiling", "cp2": "2308" }

23BF DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM RIGHT

CROSS_REF { "name2": "left floor", "cp2": "230A" }

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

CROSS_REF { "name2": "down tack", "cp2": "22A4" }

CROSS_REF { "name2": "box drawings light down and horizontal", "cp2": "252C" }

23CA DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL

CROSS_REF { "name2": "up tack", "cp2": "22A5" }

CROSS_REF { "name2": "box drawings light up and horizontal", "cp2": "2534" }

23CB DENTISTRY SYMBOL LIGHT VERTICAL AND TOP LEFT

CROSS_REF { "name2": "right ceiling", "cp2": "2309" }

23CC DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM LEFT

CROSS_REF { "name2": "right floor", "cp2": "230B" }

Miscellaneous technical

23CD SQUARE FOOT

Keyboard and UI symbols

23CE RETURN SYMBOL

COMMENT_LINE { "bullet": "*", "text": "may be shown with either hollow or filled glyph" }

CROSS_REF { "name2": "downwards arrow with corner leftwards", "cp2": "21B5" }

CROSS_REF { "name2": "return left", "cp2": "2B90" }

23CF EJECT SYMBOL

COMMENT_LINE { "bullet": "*", "text": "UI symbol to eject media" }

Special character extension

23D0 VERTICAL LINE EXTENSION

COMMENT_LINE { "bullet": "*", "text": "used for extension of arrows" }

CROSS_REF { "name2": "horizontal line extension", "cp2": "23AF" }

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

CROSS_REF { "name2": "combining greek musical triseme", "cp2": "1D242" }

23D8 METRICAL TETRASEME

CROSS_REF { "name2": "combining greek musical tetraseme", "cp2": "1D243" }

23D9 METRICAL PENTASEME

CROSS_REF { "name2": "combining greek musical pentaseme", "cp2": "1D244" }

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

CROSS_REF { "name2": "presentation form for vertical left parenthesis", "cp2": "FE35" }

23DD BOTTOM PARENTHESIS

CROSS_REF { "name2": "presentation form for vertical right parenthesis", "cp2": "FE36" }

23DE TOP CURLY BRACKET

CROSS_REF { "name2": "presentation form for vertical left curly bracket", "cp2": "FE37" }

23DF BOTTOM CURLY BRACKET

CROSS_REF { "name2": "presentation form for vertical right curly bracket", "cp2": "FE38" }

23E0 TOP TORTOISE SHELL BRACKET

CROSS_REF { "name2": "presentation form for vertical left tortoise shell bracket", "cp2": "FE39" }

23E1 BOTTOM TORTOISE SHELL BRACKET

CROSS_REF { "name2": "presentation form for vertical right tortoise shell bracket", "cp2": "FE3A" }

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

COMMENT_LINE { "bullet": "*", "text": "Algol-60 token for scientific notation literals" }

User interface symbols

23E9 BLACK RIGHT-POINTING DOUBLE TRIANGLE

ALIAS_LINE { "text": "fast forward" }

23EA BLACK LEFT-POINTING DOUBLE TRIANGLE

ALIAS_LINE { "text": "rewind, fast backwards" }

23EB BLACK UP-POINTING DOUBLE TRIANGLE
23EC BLACK DOWN-POINTING DOUBLE TRIANGLE
23ED BLACK RIGHT-POINTING DOUBLE TRIANGLE WITH VERTICAL BAR

ALIAS_LINE { "text": "skip to the end or next file/track/chapter" }

23EE BLACK LEFT-POINTING DOUBLE TRIANGLE WITH VERTICAL BAR

ALIAS_LINE { "text": "skip to the start or previous file/track/chapter" }

23EF BLACK RIGHT-POINTING TRIANGLE WITH DOUBLE VERTICAL BAR

ALIAS_LINE { "text": "play/pause toggle" }

23F0 ALARM CLOCK

CROSS_REF { "name2": "watch", "cp2": "231A" }

CROSS_REF { "name2": "clock face one oclock", "cp2": "1F550" }

CROSS_REF { "name2": "mantelpiece clock", "cp2": "1F570" }

23F1 STOPWATCH
23F2 TIMER CLOCK
23F3 HOURGLASS WITH FLOWING SAND

CROSS_REF { "name2": "hourglass", "cp2": "231B" }

23F4 BLACK MEDIUM LEFT-POINTING TRIANGLE

ALIAS_LINE { "text": "reverse, back" }

COMMENT_LINE { "bullet": "*", "text": "preferred to 25C0 black left-pointing triangle" }

CROSS_REF { "name2": "black medium left-pointing triangle centred", "cp2": "2BC7" }

CROSS_REF { "name2": "black left-pointing isosceles right triangle", "cp2": "1F780" }

23F5 BLACK MEDIUM RIGHT-POINTING TRIANGLE

ALIAS_LINE { "text": "forward" }

COMMENT_LINE { "bullet": "*", "text": "preferred to 25B6 black right-pointing triangle" }

CROSS_REF { "name2": "black medium right-pointing triangle centred", "cp2": "2BC8" }

CROSS_REF { "name2": "black right-pointing isosceles right triangle", "cp2": "1F782" }

23F6 BLACK MEDIUM UP-POINTING TRIANGLE

ALIAS_LINE { "text": "increase" }

COMMENT_LINE { "bullet": "*", "text": "preferred to 25B2 black up-pointing triangle" }

CROSS_REF { "name2": "black medium up-pointing triangle centred", "cp2": "2BC5" }

CROSS_REF { "name2": "black up-pointing isosceles right triangle", "cp2": "1F781" }

23F7 BLACK MEDIUM DOWN-POINTING TRIANGLE

ALIAS_LINE { "text": "decrease" }

COMMENT_LINE { "bullet": "*", "text": "preferred to 25BC black down-pointing triangle" }

CROSS_REF { "name2": "black medium down-pointing triangle centred", "cp2": "2BC6" }

CROSS_REF { "name2": "black down-pointing isosceles right triangle", "cp2": "1F783" }

23F8 DOUBLE VERTICAL BAR

ALIAS_LINE { "text": "pause" }

CROSS_REF { "name2": "double vertical line", "cp2": "2016" }

23F9 BLACK SQUARE FOR STOP

ALIAS_LINE { "text": "stop" }

CROSS_REF { "name2": "black medium square", "cp2": "25FC" }

23FA BLACK CIRCLE FOR RECORD

ALIAS_LINE { "text": "record" }

CROSS_REF { "name2": "medium black circle", "cp2": "26AB" }

CROSS_REF { "name2": "large red circle", "cp2": "1F534" }

Power symbols from ISO 7000:2012

23FB POWER SYMBOL

COMMENT_LINE { "bullet": "*", "text": "IEC 5009 standby symbol" }

COMMENT_LINE { "bullet": "*", "text": "IEEE 1621 power symbol" }

23FC POWER ON-OFF SYMBOL

COMMENT_LINE { "bullet": "*", "text": "IEC 5010 power on-off symbol" }

23FD POWER ON SYMBOL

COMMENT_LINE { "bullet": "*", "text": "use 2B58 for power off symbol" }

CROSS_REF { "name2": "heavy circle", "cp2": "2B58" }

Power symbol from IEEE 1621-2004

23FE POWER SLEEP SYMBOL

CROSS_REF { "name2": "last quarter moon", "cp2": "263E" }

Miscellaneous symbol

23FF OBSERVER EYE SYMBOL