U+23A1 LEFT SQUARE BRACKET UPPER CORNER

Top corner of a tall left square bracket, used to build big matrix brackets across lines.

Codepoint: U+23A1
Name: LEFT SQUARE BRACKET UPPER CORNER
Block: Miscellaneous Technical
Script: Common
Category: Math Symbol (Sm)
Unicode version: 3.2
Plane: BMP
HTML: ⎡ ⎡
CSS: \23A1
UTF-8: E2 8E A1
UTF-16: 23A1
UTF-32: 000023A1

Related characters

U+23A0RIGHT PARENTHESIS LOWER HOOK
U+23A2LEFT SQUARE BRACKET EXTENSION
U+239FRIGHT PARENTHESIS EXTENSION
U+23A3LEFT SQUARE BRACKET LOWER CORNER
U+239ERIGHT PARENTHESIS UPPER HOOK
U+23A4RIGHT SQUARE BRACKET UPPER CORNER
U+239DLEFT PARENTHESIS LOWER HOOK
U+23A5RIGHT SQUARE BRACKET EXTENSION
U+239CLEFT PARENTHESIS EXTENSION
U+23A6RIGHT SQUARE BRACKET LOWER CORNER
U+239BLEFT PARENTHESIS UPPER HOOK
U+23A7LEFT CURLY BRACKET UPPER HOOK

Miscellaneous Technical

256 characters in the Miscellaneous Technical Unicode block.

U+2300DIAMETER SIGN
U+2301ELECTRIC ARROW
U+2302HOUSE
U+2303UP ARROWHEAD
U+2304DOWN ARROWHEAD
U+2305PROJECTIVE
U+2306PERSPECTIVE
U+2307WAVY LINE
U+2308LEFT CEILING
U+2309RIGHT CEILING
U+230ALEFT FLOOR
U+230BRIGHT FLOOR
U+230CBOTTOM RIGHT CROP
U+230DBOTTOM LEFT CROP
U+230ETOP RIGHT CROP
U+230FTOP LEFT CROP
U+2310REVERSED NOT SIGN
U+2311SQUARE LOZENGE
U+2312ARC
U+2313SEGMENT
U+2314SECTOR
U+2315TELEPHONE RECORDER
U+2316POSITION INDICATOR
U+2317VIEWDATA SQUARE
U+2318PLACE OF INTEREST SIGN
U+2319TURNED NOT SIGN
U+231AWATCH
U+231BHOURGLASS
U+231CTOP LEFT CORNER
U+231DTOP RIGHT CORNER
U+231EBOTTOM LEFT CORNER
U+231FBOTTOM RIGHT CORNER
U+2320TOP HALF INTEGRAL
U+2321BOTTOM HALF INTEGRAL
U+2322FROWN
U+2323SMILE
U+2324UP ARROWHEAD BETWEEN TWO HORIZONTAL BARS
U+2325OPTION KEY
U+2326ERASE TO THE RIGHT
U+2327X IN A RECTANGLE BOX
U+2328KEYBOARD
U+2329LEFT-POINTING ANGLE BRACKET
U+232ARIGHT-POINTING ANGLE BRACKET
U+232BERASE TO THE LEFT
U+232CBENZENE RING
U+232DCYLINDRICITY
U+232EALL AROUND-PROFILE
U+232FSYMMETRY
U+2330TOTAL RUNOUT
U+2331DIMENSION ORIGIN
U+2332CONICAL TAPER
U+2333SLOPE
U+2334COUNTERBORE
U+2335COUNTERSINK
U+2336APL FUNCTIONAL SYMBOL I-BEAM
U+2337APL FUNCTIONAL SYMBOL SQUISH QUAD
U+2338APL FUNCTIONAL SYMBOL QUAD EQUAL
U+2339APL FUNCTIONAL SYMBOL QUAD DIVIDE
U+233AAPL FUNCTIONAL SYMBOL QUAD DIAMOND
U+233BAPL FUNCTIONAL SYMBOL QUAD JOT
U+233CAPL FUNCTIONAL SYMBOL QUAD CIRCLE
U+233DAPL FUNCTIONAL SYMBOL CIRCLE STILE
U+233EAPL FUNCTIONAL SYMBOL CIRCLE JOT
U+233FAPL FUNCTIONAL SYMBOL SLASH BAR
U+2340APL FUNCTIONAL SYMBOL BACKSLASH BAR
U+2341APL FUNCTIONAL SYMBOL QUAD SLASH
U+2342APL FUNCTIONAL SYMBOL QUAD BACKSLASH
U+2343APL FUNCTIONAL SYMBOL QUAD LESS-THAN
U+2344APL FUNCTIONAL SYMBOL QUAD GREATER-THAN
U+2345APL FUNCTIONAL SYMBOL LEFTWARDS VANE
U+2346APL FUNCTIONAL SYMBOL RIGHTWARDS VANE
U+2347APL FUNCTIONAL SYMBOL QUAD LEFTWARDS ARROW
U+2348APL FUNCTIONAL SYMBOL QUAD RIGHTWARDS ARROW
U+2349APL FUNCTIONAL SYMBOL CIRCLE BACKSLASH
U+234AAPL FUNCTIONAL SYMBOL DOWN TACK UNDERBAR
U+234BAPL FUNCTIONAL SYMBOL DELTA STILE
U+234CAPL FUNCTIONAL SYMBOL QUAD DOWN CARET
U+234DAPL FUNCTIONAL SYMBOL QUAD DELTA
U+234EAPL FUNCTIONAL SYMBOL DOWN TACK JOT
U+234FAPL FUNCTIONAL SYMBOL UPWARDS VANE
U+2350APL FUNCTIONAL SYMBOL QUAD UPWARDS ARROW
U+2351APL FUNCTIONAL SYMBOL UP TACK OVERBAR
U+2352APL FUNCTIONAL SYMBOL DEL STILE
U+2353APL FUNCTIONAL SYMBOL QUAD UP CARET
U+2354APL FUNCTIONAL SYMBOL QUAD DEL
U+2355APL FUNCTIONAL SYMBOL UP TACK JOT
U+2356APL FUNCTIONAL SYMBOL DOWNWARDS VANE
U+2357APL FUNCTIONAL SYMBOL QUAD DOWNWARDS ARROW
U+2358APL FUNCTIONAL SYMBOL QUOTE UNDERBAR
U+2359APL FUNCTIONAL SYMBOL DELTA UNDERBAR
U+235AAPL FUNCTIONAL SYMBOL DIAMOND UNDERBAR
U+235BAPL FUNCTIONAL SYMBOL JOT UNDERBAR
U+235CAPL FUNCTIONAL SYMBOL CIRCLE UNDERBAR
U+235DAPL FUNCTIONAL SYMBOL UP SHOE JOT
U+235EAPL FUNCTIONAL SYMBOL QUOTE QUAD
U+235FAPL FUNCTIONAL SYMBOL CIRCLE STAR
U+2360APL FUNCTIONAL SYMBOL QUAD COLON
U+2361APL FUNCTIONAL SYMBOL UP TACK DIAERESIS
U+2362APL FUNCTIONAL SYMBOL DEL DIAERESIS
U+2363APL FUNCTIONAL SYMBOL STAR DIAERESIS
U+2364APL FUNCTIONAL SYMBOL JOT DIAERESIS
U+2365APL FUNCTIONAL SYMBOL CIRCLE DIAERESIS
U+2366APL FUNCTIONAL SYMBOL DOWN SHOE STILE
U+2367APL FUNCTIONAL SYMBOL LEFT SHOE STILE
U+2368APL FUNCTIONAL SYMBOL TILDE DIAERESIS
U+2369APL FUNCTIONAL SYMBOL GREATER-THAN DIAERESIS
U+236AAPL FUNCTIONAL SYMBOL COMMA BAR
U+236BAPL FUNCTIONAL SYMBOL DEL TILDE
U+236CAPL FUNCTIONAL SYMBOL ZILDE
U+236DAPL FUNCTIONAL SYMBOL STILE TILDE
U+236EAPL FUNCTIONAL SYMBOL SEMICOLON UNDERBAR
U+236FAPL FUNCTIONAL SYMBOL QUAD NOT EQUAL
U+2370APL FUNCTIONAL SYMBOL QUAD QUESTION
U+2371APL FUNCTIONAL SYMBOL DOWN CARET TILDE
U+2372APL FUNCTIONAL SYMBOL UP CARET TILDE
U+2373APL FUNCTIONAL SYMBOL IOTA
U+2374APL FUNCTIONAL SYMBOL RHO
U+2375APL FUNCTIONAL SYMBOL OMEGA
U+2376APL FUNCTIONAL SYMBOL ALPHA UNDERBAR
U+2377APL FUNCTIONAL SYMBOL EPSILON UNDERBAR
U+2378APL FUNCTIONAL SYMBOL IOTA UNDERBAR
U+2379APL FUNCTIONAL SYMBOL OMEGA UNDERBAR
U+237AAPL FUNCTIONAL SYMBOL ALPHA
U+237BNOT CHECK MARK
U+237CRIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROW
U+237DSHOULDERED OPEN BOX
U+237EBELL SYMBOL
U+237FVERTICAL LINE WITH MIDDLE DOT
U+2380INSERTION SYMBOL
U+2381CONTINUOUS UNDERLINE SYMBOL
U+2382DISCONTINUOUS UNDERLINE SYMBOL
U+2383EMPHASIS SYMBOL
U+2384COMPOSITION SYMBOL
U+2385WHITE SQUARE WITH CENTRE VERTICAL LINE
U+2386ENTER SYMBOL
U+2387ALTERNATIVE KEY SYMBOL
U+2388HELM SYMBOL
U+2389CIRCLED HORIZONTAL BAR WITH NOTCH
U+238ACIRCLED TRIANGLE DOWN
U+238BBROKEN CIRCLE WITH NORTHWEST ARROW
U+238CUNDO SYMBOL
U+238DMONOSTABLE SYMBOL
U+238EHYSTERESIS SYMBOL
U+238FOPEN-CIRCUIT-OUTPUT H-TYPE SYMBOL
U+2390OPEN-CIRCUIT-OUTPUT L-TYPE SYMBOL
U+2391PASSIVE-PULL-DOWN-OUTPUT SYMBOL
U+2392PASSIVE-PULL-UP-OUTPUT SYMBOL
U+2393DIRECT CURRENT SYMBOL FORM TWO
U+2394SOFTWARE-FUNCTION SYMBOL
U+2395APL FUNCTIONAL SYMBOL QUAD
U+2396DECIMAL SEPARATOR KEY SYMBOL
U+2397PREVIOUS PAGE
U+2398NEXT PAGE
U+2399PRINT SCREEN SYMBOL
U+239ACLEAR SCREEN SYMBOL
U+239BLEFT PARENTHESIS UPPER HOOK
U+239CLEFT PARENTHESIS EXTENSION
U+239DLEFT PARENTHESIS LOWER HOOK
U+239ERIGHT PARENTHESIS UPPER HOOK
U+239FRIGHT PARENTHESIS EXTENSION
U+23A0RIGHT PARENTHESIS LOWER HOOK
U+23A1LEFT SQUARE BRACKET UPPER CORNER
U+23A2LEFT SQUARE BRACKET EXTENSION
U+23A3LEFT SQUARE BRACKET LOWER CORNER
U+23A4RIGHT SQUARE BRACKET UPPER CORNER
U+23A5RIGHT SQUARE BRACKET EXTENSION
U+23A6RIGHT SQUARE BRACKET LOWER CORNER
U+23A7LEFT CURLY BRACKET UPPER HOOK
U+23A8LEFT CURLY BRACKET MIDDLE PIECE
U+23A9LEFT CURLY BRACKET LOWER HOOK
U+23AACURLY BRACKET EXTENSION
U+23ABRIGHT CURLY BRACKET UPPER HOOK
U+23ACRIGHT CURLY BRACKET MIDDLE PIECE
U+23ADRIGHT CURLY BRACKET LOWER HOOK
U+23AEINTEGRAL EXTENSION
U+23AFHORIZONTAL LINE EXTENSION
U+23B0UPPER LEFT OR LOWER RIGHT CURLY BRACKET SECTION
U+23B1UPPER RIGHT OR LOWER LEFT CURLY BRACKET SECTION
U+23B2SUMMATION TOP
U+23B3SUMMATION BOTTOM
U+23B4TOP SQUARE BRACKET
U+23B5BOTTOM SQUARE BRACKET
U+23B6BOTTOM SQUARE BRACKET OVER TOP SQUARE BRACKET
U+23B7RADICAL SYMBOL BOTTOM
U+23B8LEFT VERTICAL BOX LINE
U+23B9RIGHT VERTICAL BOX LINE
U+23BAHORIZONTAL SCAN LINE-1
U+23BBHORIZONTAL SCAN LINE-3
U+23BCHORIZONTAL SCAN LINE-7
U+23BDHORIZONTAL SCAN LINE-9
U+23BEDENTISTRY SYMBOL LIGHT VERTICAL AND TOP RIGHT
U+23BFDENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM RIGHT
U+23C0DENTISTRY SYMBOL LIGHT VERTICAL WITH CIRCLE
U+23C1DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH CIRCLE
U+23C2DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH CIRCLE
U+23C3DENTISTRY SYMBOL LIGHT VERTICAL WITH TRIANGLE
U+23C4DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH TRIANGLE
U+23C5DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH TRIANGLE
U+23C6DENTISTRY SYMBOL LIGHT VERTICAL AND WAVE
U+23C7DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH WAVE

…and 56 more characters.