APL execute symbol, a tack combined with a small circle, also called up tack jot, evaluates a string as code.
U+234DAPL FUNCTIONAL SYMBOL QUAD DELTAU+234FAPL FUNCTIONAL SYMBOL UPWARDS VANEU+234CAPL FUNCTIONAL SYMBOL QUAD DOWN CARETU+2350APL FUNCTIONAL SYMBOL QUAD UPWARDS ARROWU+234BAPL FUNCTIONAL SYMBOL DELTA STILEU+2351APL FUNCTIONAL SYMBOL UP TACK OVERBARU+234AAPL FUNCTIONAL SYMBOL DOWN TACK UNDERBARU+2352APL FUNCTIONAL SYMBOL DEL STILEU+2349APL FUNCTIONAL SYMBOL CIRCLE BACKSLASHU+2353APL FUNCTIONAL SYMBOL QUAD UP CARETU+2348APL FUNCTIONAL SYMBOL QUAD RIGHTWARDS ARROWU+2354APL FUNCTIONAL SYMBOL QUAD DEL256 characters in the Miscellaneous Technical Unicode block.
U+2300DIAMETER SIGNU+2301ELECTRIC ARROWU+2302HOUSEU+2303UP ARROWHEADU+2304DOWN ARROWHEADU+2305PROJECTIVEU+2306PERSPECTIVEU+2307WAVY LINEU+2308LEFT CEILINGU+2309RIGHT CEILINGU+230ALEFT FLOORU+230BRIGHT FLOORU+230CBOTTOM RIGHT CROPU+230DBOTTOM LEFT CROPU+230ETOP RIGHT CROPU+230FTOP LEFT CROPU+2310REVERSED NOT SIGNU+2311SQUARE LOZENGEU+2312ARCU+2313SEGMENTU+2314SECTORU+2315TELEPHONE RECORDERU+2316POSITION INDICATORU+2317VIEWDATA SQUAREU+2318PLACE OF INTEREST SIGNU+2319TURNED NOT SIGNU+231AWATCHU+231BHOURGLASSU+231CTOP LEFT CORNERU+231DTOP RIGHT CORNERU+231EBOTTOM LEFT CORNERU+231FBOTTOM RIGHT CORNERU+2320TOP HALF INTEGRALU+2321BOTTOM HALF INTEGRALU+2322FROWNU+2323SMILEU+2324UP ARROWHEAD BETWEEN TWO HORIZONTAL BARSU+2325OPTION KEYU+2326ERASE TO THE RIGHTU+2327X IN A RECTANGLE BOXU+2328KEYBOARDU+2329LEFT-POINTING ANGLE BRACKETU+232ARIGHT-POINTING ANGLE BRACKETU+232BERASE TO THE LEFTU+232CBENZENE RINGU+232DCYLINDRICITYU+232EALL AROUND-PROFILEU+232FSYMMETRYU+2330TOTAL RUNOUTU+2331DIMENSION ORIGINU+2332CONICAL TAPERU+2333SLOPEU+2334COUNTERBOREU+2335COUNTERSINKU+2336APL FUNCTIONAL SYMBOL I-BEAMU+2337APL FUNCTIONAL SYMBOL SQUISH QUADU+2338APL FUNCTIONAL SYMBOL QUAD EQUALU+2339APL FUNCTIONAL SYMBOL QUAD DIVIDEU+233AAPL FUNCTIONAL SYMBOL QUAD DIAMONDU+233BAPL FUNCTIONAL SYMBOL QUAD JOTU+233CAPL FUNCTIONAL SYMBOL QUAD CIRCLEU+233DAPL FUNCTIONAL SYMBOL CIRCLE STILEU+233EAPL FUNCTIONAL SYMBOL CIRCLE JOTU+233FAPL FUNCTIONAL SYMBOL SLASH BARU+2340APL FUNCTIONAL SYMBOL BACKSLASH BARU+2341APL FUNCTIONAL SYMBOL QUAD SLASHU+2342APL FUNCTIONAL SYMBOL QUAD BACKSLASHU+2343APL FUNCTIONAL SYMBOL QUAD LESS-THANU+2344APL FUNCTIONAL SYMBOL QUAD GREATER-THANU+2345APL FUNCTIONAL SYMBOL LEFTWARDS VANEU+2346APL FUNCTIONAL SYMBOL RIGHTWARDS VANEU+2347APL FUNCTIONAL SYMBOL QUAD LEFTWARDS ARROWU+2348APL FUNCTIONAL SYMBOL QUAD RIGHTWARDS ARROWU+2349APL FUNCTIONAL SYMBOL CIRCLE BACKSLASHU+234AAPL FUNCTIONAL SYMBOL DOWN TACK UNDERBARU+234BAPL FUNCTIONAL SYMBOL DELTA STILEU+234CAPL FUNCTIONAL SYMBOL QUAD DOWN CARETU+234DAPL FUNCTIONAL SYMBOL QUAD DELTAU+234EAPL FUNCTIONAL SYMBOL DOWN TACK JOTU+234FAPL FUNCTIONAL SYMBOL UPWARDS VANEU+2350APL FUNCTIONAL SYMBOL QUAD UPWARDS ARROWU+2351APL FUNCTIONAL SYMBOL UP TACK OVERBARU+2352APL FUNCTIONAL SYMBOL DEL STILEU+2353APL FUNCTIONAL SYMBOL QUAD UP CARETU+2354APL FUNCTIONAL SYMBOL QUAD DELU+2355APL FUNCTIONAL SYMBOL UP TACK JOTU+2356APL FUNCTIONAL SYMBOL DOWNWARDS VANEU+2357APL FUNCTIONAL SYMBOL QUAD DOWNWARDS ARROWU+2358APL FUNCTIONAL SYMBOL QUOTE UNDERBARU+2359APL FUNCTIONAL SYMBOL DELTA UNDERBARU+235AAPL FUNCTIONAL SYMBOL DIAMOND UNDERBARU+235BAPL FUNCTIONAL SYMBOL JOT UNDERBARU+235CAPL FUNCTIONAL SYMBOL CIRCLE UNDERBARU+235DAPL FUNCTIONAL SYMBOL UP SHOE JOTU+235EAPL FUNCTIONAL SYMBOL QUOTE QUADU+235FAPL FUNCTIONAL SYMBOL CIRCLE STARU+2360APL FUNCTIONAL SYMBOL QUAD COLONU+2361APL FUNCTIONAL SYMBOL UP TACK DIAERESISU+2362APL FUNCTIONAL SYMBOL DEL DIAERESISU+2363APL FUNCTIONAL SYMBOL STAR DIAERESISU+2364APL FUNCTIONAL SYMBOL JOT DIAERESISU+2365APL FUNCTIONAL SYMBOL CIRCLE DIAERESISU+2366APL FUNCTIONAL SYMBOL DOWN SHOE STILEU+2367APL FUNCTIONAL SYMBOL LEFT SHOE STILEU+2368APL FUNCTIONAL SYMBOL TILDE DIAERESISU+2369APL FUNCTIONAL SYMBOL GREATER-THAN DIAERESISU+236AAPL FUNCTIONAL SYMBOL COMMA BARU+236BAPL FUNCTIONAL SYMBOL DEL TILDEU+236CAPL FUNCTIONAL SYMBOL ZILDEU+236DAPL FUNCTIONAL SYMBOL STILE TILDEU+236EAPL FUNCTIONAL SYMBOL SEMICOLON UNDERBARU+236FAPL FUNCTIONAL SYMBOL QUAD NOT EQUALU+2370APL FUNCTIONAL SYMBOL QUAD QUESTIONU+2371APL FUNCTIONAL SYMBOL DOWN CARET TILDEU+2372APL FUNCTIONAL SYMBOL UP CARET TILDEU+2373APL FUNCTIONAL SYMBOL IOTAU+2374APL FUNCTIONAL SYMBOL RHOU+2375APL FUNCTIONAL SYMBOL OMEGAU+2376APL FUNCTIONAL SYMBOL ALPHA UNDERBARU+2377APL FUNCTIONAL SYMBOL EPSILON UNDERBARU+2378APL FUNCTIONAL SYMBOL IOTA UNDERBARU+2379APL FUNCTIONAL SYMBOL OMEGA UNDERBARU+237AAPL FUNCTIONAL SYMBOL ALPHAU+237BNOT CHECK MARKU+237CRIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROWU+237DSHOULDERED OPEN BOXU+237EBELL SYMBOLU+237FVERTICAL LINE WITH MIDDLE DOTU+2380INSERTION SYMBOLU+2381CONTINUOUS UNDERLINE SYMBOLU+2382DISCONTINUOUS UNDERLINE SYMBOLU+2383EMPHASIS SYMBOLU+2384COMPOSITION SYMBOLU+2385WHITE SQUARE WITH CENTRE VERTICAL LINEU+2386ENTER SYMBOLU+2387ALTERNATIVE KEY SYMBOLU+2388HELM SYMBOLU+2389CIRCLED HORIZONTAL BAR WITH NOTCHU+238ACIRCLED TRIANGLE DOWNU+238BBROKEN CIRCLE WITH NORTHWEST ARROWU+238CUNDO SYMBOLU+238DMONOSTABLE SYMBOLU+238EHYSTERESIS SYMBOLU+238FOPEN-CIRCUIT-OUTPUT H-TYPE SYMBOLU+2390OPEN-CIRCUIT-OUTPUT L-TYPE SYMBOLU+2391PASSIVE-PULL-DOWN-OUTPUT SYMBOLU+2392PASSIVE-PULL-UP-OUTPUT SYMBOLU+2393DIRECT CURRENT SYMBOL FORM TWOU+2394SOFTWARE-FUNCTION SYMBOLU+2395APL FUNCTIONAL SYMBOL QUADU+2396DECIMAL SEPARATOR KEY SYMBOLU+2397PREVIOUS PAGEU+2398NEXT PAGEU+2399PRINT SCREEN SYMBOLU+239ACLEAR SCREEN SYMBOLU+239BLEFT PARENTHESIS UPPER HOOKU+239CLEFT PARENTHESIS EXTENSIONU+239DLEFT PARENTHESIS LOWER HOOKU+239ERIGHT PARENTHESIS UPPER HOOKU+239FRIGHT PARENTHESIS EXTENSIONU+23A0RIGHT PARENTHESIS LOWER HOOKU+23A1LEFT SQUARE BRACKET UPPER CORNERU+23A2LEFT SQUARE BRACKET EXTENSIONU+23A3LEFT SQUARE BRACKET LOWER CORNERU+23A4RIGHT SQUARE BRACKET UPPER CORNERU+23A5RIGHT SQUARE BRACKET EXTENSIONU+23A6RIGHT SQUARE BRACKET LOWER CORNERU+23A7LEFT CURLY BRACKET UPPER HOOKU+23A8LEFT CURLY BRACKET MIDDLE PIECEU+23A9LEFT CURLY BRACKET LOWER HOOKU+23AACURLY BRACKET EXTENSIONU+23ABRIGHT CURLY BRACKET UPPER HOOKU+23ACRIGHT CURLY BRACKET MIDDLE PIECEU+23ADRIGHT CURLY BRACKET LOWER HOOKU+23AEINTEGRAL EXTENSIONU+23AFHORIZONTAL LINE EXTENSIONU+23B0UPPER LEFT OR LOWER RIGHT CURLY BRACKET SECTIONU+23B1UPPER RIGHT OR LOWER LEFT CURLY BRACKET SECTIONU+23B2SUMMATION TOPU+23B3SUMMATION BOTTOMU+23B4TOP SQUARE BRACKETU+23B5BOTTOM SQUARE BRACKETU+23B6BOTTOM SQUARE BRACKET OVER TOP SQUARE BRACKETU+23B7RADICAL SYMBOL BOTTOMU+23B8LEFT VERTICAL BOX LINEU+23B9RIGHT VERTICAL BOX LINEU+23BAHORIZONTAL SCAN LINE-1U+23BBHORIZONTAL SCAN LINE-3U+23BCHORIZONTAL SCAN LINE-7U+23BDHORIZONTAL SCAN LINE-9U+23BEDENTISTRY SYMBOL LIGHT VERTICAL AND TOP RIGHTU+23BFDENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM RIGHTU+23C0DENTISTRY SYMBOL LIGHT VERTICAL WITH CIRCLEU+23C1DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH CIRCLEU+23C2DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH CIRCLEU+23C3DENTISTRY SYMBOL LIGHT VERTICAL WITH TRIANGLEU+23C4DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH TRIANGLEU+23C5DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH TRIANGLEU+23C6DENTISTRY SYMBOL LIGHT VERTICAL AND WAVEU+23C7DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH WAVE…and 56 more characters.