已知非零向量a b满足a、b满足a²-15a-5=0,b²-15b-5=0,求a/b + b/a的值

HTML Character Codes – ASCII Entity and Unicode SymbolsBy , Tuesday 24th May 2011 in This is possibly one of the most comprehensive HTML Entity Codes and ASCII charts on the web, featuring ASCII codes, HTML symbol entities, unicode/ISO numbers, dingbats and extended ASCII character codes. This ASCII chart is especially helpful in obtaining W3C XHTML validation due to errors caused by invalid characters.How to use special HTML character codesThere are only so many keys to a keyboard, and you can see from the lists below that there are quite a few characters knocking around! No keyboard could possibly fit them all on which is why we have to use ASCII tables.An ASCII (American Standard Code for Information Interchange) code is a number associated with a character which has been around since the early 1960's. Initially consisting of 127 characters, it has since been extended.With the advent of the internet and XML standards, certain characters intended for presentation are not allowed within HTML or XML documents, for example & and & as they form part of the document structure and are processed as such. For this reason, you need to use the HTML name instead. & and & are processed as text, but shown on the screen as intended.If you are not working on a web document, e.g. Microsoft Word or Windows, you can enter symbols directly by using the ALT Gr key. Make sure that Num Lock is ON, press and hold the ALT Gr key, then type the ASCII code on the numerical keypad. Using the numbers above letters will not work. Release the ALT Gr key and the character will appear. Users of laptops may need to hold Fn+ALT to get this to work.Html Character CodesStandard Character SetCodeSymbolHtml CodeHtml NameCSSHexDescription32  \00200x20Space33!!\00210x21Exclamation mark34""&\00220x22Double quote35##\00230x23Pound (hash) symbol36$$\00240x24Dollar37%%\00250x25Percent38&&&\00260x26Ampersand39''\00270x27Single quote40((\00280x28Opening parenthesis41))\00290x29Closing parenthesis42**\002a0x2aAsterisk43++\002b0x2bPlus sign44,,\002c0x2cComma45--\002d0x2dMinus sign - Hyphen46..\002e0x2ePeriod47//\002f0x2fForward slash4800\00300x304911\00310x315022\00320x325133\00330x335244\00340x345355\00350x355466\00360x365577\00370x375688\00380x385799\00390x3958::\003a0x3aColon59&#59;&#59;\003b0x3bSemicolon60<<\003c0x3cLess than sign61==\003d0x3dEqual sign62>>\003e0x3eGreater than sign63??\003f0x3fQuestion mark64@@\00400x40At symbol65AA\00410x4166BB\00420x4267CC\00430x4368DD\00440x4469EE\00450x4570FF\00460x4671GG\00470x4772HH\00480x4873II\00490x4974JJ\004a0x4a75KK\004b0x4b76LL\004c0x4c77MM\004d0x4d78NN\004e0x4e79OO\004f0x4f80PP\00500x5081QQ\00510x5182RR\00520x5283SS\00530x5384TT\00540x5485UU\00550x5586VV\00560x5687WW\00570x5788XX\00580x5889YY\00590x5990ZZ\005a0x5a91[[\005b0x5bOpening bracket92\\\005c0x5cBackslash93]]\005d0x5dClosing bracket94^^\005e0x5eCaret - circumflex95__\005f0x5fUnderscore96``\00600x60Grave accent97aa\00610x6198bb\00620x6299cc\00630x63100dd\00640x64101ee\00650x65102ff\00660x66103gg\00670x67104hh\00680x68105ii\00690x69106jj\006a0x6a107kk\006b0x6b108ll\006c0x6c109mm\006d0x6d110nn\006e0x6e111oo\006f0x6f112pp\00700x70113qq\00710x71114rr\00720x72115ss\00730x73116tt\00740x74117uu\00750x75118vv\00760x76119ww\00770x77120xx\00780x78121yy\00790x79122zz\007a0x7a123{{\007b0x7bOpening brace124||\007c0x7cVertical bar125}}\007d0x7dClosing brace126~~\007e0x7eEquivalency sign - tildeExtended Character SetCodeSymbolHtml CodeHtml NameCSSHexDescription160  \00a00xa0Non-breaking space161¡¡\00a10xa1Inverted exclamation mark162¢¢\00a20xa2Cent sign163££\00a30xa3Pound sign164¤¤\00a40xa4Currency sign165¥¥\00a50xa5Yen sign166¦¦\00a60xa6Broken vertical bar167§§\00a70xa7Section sign168¨¨\00a80xa8Spacing diaeresis - umlaut169©©\00a90xa9Copyright sign170ªª\00aa0xaaFeminine ordinal indicator171««\00ab0xabLeft double angle quotes172¬¬\00ac0xacNot sign173­­\00ad0xadSoft hyphen174®®\00ae0xaeRegistered trade mark sign175¯¯\00af0xafSpacing macron - overline176°°\00b00xb0Degree sign177±±\00b10xb1Plus-or-minus sign178²²\00b20xb2Superscript two - squared179³³\00b30xb3Superscript three - cubed180´´\00b40xb4Acute accent - spacing acute181µµ\00b50xb5Micro sign182¶¶\00b60xb6Pilcrow sign - paragraph sign183··\00b70xb7Middle dot - Georgian comma184¸¸\00b80xb8Spacing cedilla185¹¹\00b90xb9Superscript one186ºº\00ba0xbaMasculine ordinal indicator187»»\00bb0xbbRight double angle quotes191¿¿\00bf0xbfInverted question mark215××\00d70xd7Multiplication sign247÷÷\00f70xf7Division signLatin Character SetCodeSymbolHtml CodeHtml NameCSSHexDescription192ÀÀ\00c00xc0Latin capital letter A with grave193ÁÁ\00c10xc1Latin capital letter A with acute194ÂÂ\00c20xc2Latin capital letter A with circumflex195ÃÃ\00c30xc3Latin capital letter A with tilde196ÄÄ\00c40xc4Latin capital letter A with diaeresis197ÅÅ\00c50xc5Latin capital letter A with ring above198ÆÆ\00c60xc6Latin capital letter AE199ÇÇ\00c70xc7Latin capital letter C with cedilla200ÈÈ\00c80xc8Latin capital letter E with grave201ÉÉ\00c90xc9Latin capital letter E with acute202ÊÊ\00ca0xcaLatin capital letter E with circumflex203ËË\00cb0xcbLatin capital letter E with diaeresis204ÌÌ\00cc0xccLatin capital letter I with grave205ÍÍ\00cd0xcdLatin capital letter I with acute206ÎÎ\00ce0xceLatin capital letter I with circumflex207ÏÏ\00cf0xcfLatin capital letter I with diaeresis208ÐÐ\00d00xd0Latin capital letter ETH209ÑÑ\00d10xd1Latin capital letter N with tilde210ÒÒ\00d20xd2Latin capital letter O with grave211ÓÓ\00d30xd3Latin capital letter O with acute212ÔÔ\00d40xd4Latin capital letter O with circumflex213ÕÕ\00d50xd5Latin capital letter O with tilde214ÖÖ\00d60xd6Latin capital letter O with diaeresis216ØØ\00d80xd8Latin capital letter O with slash217ÙÙ\00d90xd9Latin capital letter U with grave218ÚÚ\00da0xdaLatin capital letter U with acute219ÛÛ\00db0xdbLatin capital letter U with circumflex220ÜÜ\00dc0xdcLatin capital letter U with diaeresis221ÝÝ\00dd0xddLatin capital letter Y with acute222ÞÞ\00de0xdeLatin capital letter THORN223ßß\00df0xdfLatin small letter sharp s - ess-zed224àà\00e00xe0Latin small letter a with grave225áá\00e10xe1Latin small letter a with acute226ââ\00e20xe2Latin small letter a with circumflex227ãã\00e30xe3Latin small letter a with tilde228ää\00e40xe4Latin small letter a with diaeresis229åå\00e50xe5Latin small letter a with ring above230ææ\00e60xe6Latin small letter ae231çç\00e70xe7Latin small letter c with cedilla232èè\00e80xe8Latin small letter e with grave233éé\00e90xe9Latin small letter e with acute234êê\00ea0xeaLatin small letter e with circumflex235ëë\00eb0xebLatin small letter e with diaeresis236ìì\00ec0xecLatin small letter i with grave237íí\00ed0xedLatin small letter i with acute238îî\00ee0xeeLatin small letter i with circumflex239ïï\00ef0xefLatin small letter i with diaeresis240ðð\00f00xf0Latin small letter eth241ññ\00f10xf1Latin small letter n with tilde242òò\00f20xf2Latin small letter o with grave243óó\00f30xf3Latin small letter o with acute244ôô\00f40xf4Latin small letter o with circumflex245õõ\00f50xf5Latin small letter o with tilde246öö\00f60xf6Latin small letter o with diaeresis248øø\00f80xf8Latin small letter o with slash249ùù\00f90xf9Latin small letter u with grave250úú\00fa0xfaLatin small letter u with acute251ûû\00fb0xfbLatin small letter u with circumflex252üü\00fc0xfcLatin small letter u with diaeresis253ýý\00fd0xfdLatin small letter y with acute254þþ\00fe0xfeLatin small letter thorn255ÿÿ\00ff0xffLatin small letter y with diaeresis338ŒŒ&OE\001520x152Latin capital letter OE339œœ&\001530x153Latin small letter oe352ŠŠ&S\001600x160Latin capital letter S with caron353šš&\001610x161Latin small letter s with caron376ŸŸ&Y\001780x178Latin capital letter Y with diaeresis402ƒƒ&\001920x192Latin small f with hook - functionGreek SetCodeSymbolHtml CodeHtml NameCSSHexDescription913ΑΑ&A\003910x391Greek capital letter alpha914ΒΒ&B\003920x392Greek capital letter beta915ΓΓ&G\003930x393Greek capital letter gamma916ΔΔ&D\003940x394Greek capital letter delta917ΕΕ&E\003950x395Greek capital letter epsilon918ΖΖ&Z\003960x396Greek capital letter zeta919ΗΗ&E\003970x397Greek capital letter eta920ΘΘ&T\003980x398Greek capital letter theta921ΙΙ&I\003990x399Greek capital letter iota922ΚΚ&K\0039a0x39aGreek capital letter kappa923ΛΛ&L\0039b0x39bGreek capital letter lambda924ΜΜΜ\0039c0x39cGreek capital letter mu925ΝΝΝ\0039d0x39dGreek capital letter nu926ΞΞΞ\0039e0x39eGreek capital letter xi927ΟΟ&O\0039f0x39fGreek capital letter omicron928ΠΠΠ\003a00x3a0Greek capital letter pi929ΡΡ&R\003a10x3a1Greek capital letter rho931ΣΣ&S\003a30x3a3Greek capital letter sigma932ΤΤ&T\003a40x3a4Greek capital letter tau933ΥΥ&U\003a50x3a5Greek capital letter upsilon934ΦΦ&P\003a60x3a6Greek capital letter phi935ΧΧ&C\003a70x3a7Greek capital letter sigma936ΨΨ&P\003a80x3a8Greek capital letter psi937ΩΩ&O\003a90x3a9Greek capital letter omega945αα&\003b10x3b1Greek small letter alpha946ββ&\003b20x3b2Greek small letter beta947γγ&\003b30x3b3Greek small letter gamma948δδ&\003b40x3b4Greek small letter delta949εε&\003b50x3b5Greek small letter epsilon950ζζ&\003b60x3b6Greek small letter zeta951ηη&\003b70x3b7Greek small letter eta952θθ&\003b80x3b8Greek small letter theta953ιι&\003b90x3b9Greek small letter iota954κκ&\003ba0x3baGreek small letter kappa955λλ&\003bb0x3bbGreek small letter lambda956μμ&\003bc0x3bcGreek small letter mu957νν&\003bd0x3bdGreek small letter nu958ξξ&\003be0x3beGreek small letter xi959οο&\003bf0x3bfGreek small letter omicron960ππ&\003c00x3c0Greek small letter pi961ρρ&\003c10x3c1Greek small letter rho962ςς&\003c20x3c2Greek small letter final sigma963σσ&\003c30x3c3Greek small letter sigma964ττ&\003c40x3c4Greek small letter tau965υυ&\003c50x3c5Greek small letter upsilon966φφ&\003c60x3c6Greek small letter phi967χχ&\003c70x3c7Greek small letter chi968ψψ&\003c80x3c8Greek small letter psi969ωω&\003c90x3c9Greek small letter omega977ϑϑ&\003d10x3d1Greek small letter theta symbol978ϒϒ&\003d20x3d2Greek upsilon with hook symbol982ϖϖ&\003d60x3d6Greek pi symbolPunctuationCodeSymbolHtml CodeHtml NameCSSHexDescription8211––&\0020130x2013En dash8212——&\0020140x2014Em dash8216‘‘&\0020180x2018Left single quotation mark8217’’&\0020190x2019Right single quotation mark8218‚‚&\00201a0x201aSingle low-9 quotation mark8220““&\00201c0x201cLeft double quotation mark8221””&\00201d0x201dRight double quotation mark8222„„&\00201e0x201eDouble low-9 quotation mark8224††&\0020200x2020Dagger8225‡‡&D\0020210x2021Double dagger8226••&\0020220x2022Bullet8230……&\0020260x2026Horizontal ellipsis8240‰‰&\0020300x2030Per thousand sign8241‱‱\0020310x2031Per thousand sign8251※※\00203b0x203bKomejirushi8252‼‼\00203c0x203cDouble exclamation mark8253‽‽\00203d0x203dExclamation question8254‾‾&\00203e0x203eOverline, a.k.a. spacing overscore8257⁁⁁\0020410x2041Caret Insertion Point8258⁂⁂\0020420x2042Asterism8263⁇⁇\0020470x2047Double question8264⁈⁈\0020480x2048Question Exclamation8265⁉⁉\0020490x2049Exclamation Question8273⁑⁑\0020510x2051Double asterisk8364€€&\0020ac0x20acEuro sign8482™™&\0021220x2122Trade mark sign8704∀∀&\0022000x2200For all10077❝❝\00275d0x275dHeavy double turned comma quotation mark ornament10078❞❞\00275e0x275eHeavy double comma quotation mark ornamentMathematicalCodeSymbolHtml CodeHtml NameCSSHexDescription8706∂∂&\0022020x2202Partial differential8707∃∃&\0022030x2203There exists8709∅∅&\0022050x2205Empty set, null set, diameter8711∇∇&\0022070x2207Nabla, backward difference8712∈∈&\0022080x2208Element of8713∉∉&\0022090x2209Not an element of8715∋∋&\00220b0x220bContains as member8719∏∏&\00220f0x220fn-ary product8721∑∑&\0022110x2211n-ary sumation8722−−&\0022120x2212Minus sign8723∓∓\0022130x2213Minus-or-plus sign8724∔∔\0022140x2214Dot plus8725∕∕\0022150x2215Division slash8726∖∖\0022160x2216Set minus8727∗∗&\0022170x2217Asterisk operator8730√√&\00221a0x221aSquare root8731∛∛\00221b0x221bCube Root8732∜∜\00221c0x221cRoot8733∝∝&\00221d0x221dProportional to8734∞∞&\00221e0x221eInfinity8736∠∠&\0022200x2220Angle8743∧∧&\0022270x2227Logical AND, or wedge8745∩∩&\0022290x2229Intersection, or cap8746∪∪&\00222a0x222aUnion, or cup8747∫∫&\00222b0x222bIntegral8748∬∬\00222c0x222cDouble integral8749∭∭\00222d0x222dTriple integral8750∮∮\00222e0x222eLine integral8751∯∯\00222f0x222fDouble line integral8752∰∰\0022300x2230Triple line integral8756∴∴∴\0022340x2234Therefore8757∵∵\0022350x2235Because sign8758∶∶\0022360x2236Ratio8759∷∷\0022370x2237Proportion8763∻∻\00223b0x223bHomothetic preferences8764∼∼&\00223c0x223cTilde operator, or varies with8765∽∽\00223d0x223dApproximation8768≀≀\0022400x2240Wreath product8773≅≅&\0022450x2245Approximately equal to8776≈≈&\0022480x2248Almost equal to, asymptotic to8800≠≠&\0022600x2260Not equal to8801≡≡&\0022610x2261Identical to8804≤≤&\0022640x2264Less-than or equal to8805≥≥&\0022650x2265Greater-than or equal to8834⊂⊂&\0022820x2282Subset of8835⊃⊃&\0022830x2283Superset of8836⊄⊄&\0022840x2284Not a subset of8838⊆⊆&\0022860x2286Subset of or equal to8839⊇⊇&\0022870x2287Superset of or equal to8853⊕⊕&\0022950x2295Circled plus, direct sum8854⊖⊖\0022960x2296Circled minus8855⊗⊗&\0022970x2297Circled times, vector product8856⊘⊘\0022980x2298Circled divide8857⊙⊙\0022990x2299Circled dot8858⊚⊚\00229a0x229aCircled circle8859⊛⊛\00229b0x229bCircled asterisk8860⊜⊜\00229c0x229cCircled equals8861⊝⊝\00229d0x229dCircled minus8869⊥⊥&\0022a50x22a5Up tack, orthogonal to, perpendicular8870⊦⊦&\0022a60x22a6Logical OR, or vee8901⋅⋅&\0022c50x22c5Dot operator8968⌈⌈\0023080x2308Left ceiling, a.k.a. apl upstile8969⌉⌉\0023090x2309Right ceiling8970⌊⌊\00230a0x230aLeft floor, apl downstile8971⌋⌋\00230b0x230bRight floor9642▪▪\0025aa0x25aaBlack small square9673◉◉\0025c90x25c9Fisheye9674◊◊\0025ca0x25caLozenge9675○○\0025cb0x25cbWhite circle9678◎◎\0025ce0x25ceBullseye9734☆☆\0026060x2606White 5 point starFractionsCodeSymbolHtml CodeHtml NameCSSHexDescription188¼¼¼\00bc0xbcFraction one quarter189½½½\00bd0xbdFraction one half190¾¾¾\00be0xbeFraction three quarters8533⅕⅕\0021550x2155Fraction one fifth8534⅖⅖\0021560x2156Fraction two fifths8535⅗⅗\0021570x2157Fraction three fifths8536⅘⅘\0021580x2158Fraction four fifths8537⅙⅙\0021590x2159Fraction one sixth8538⅚⅚\00215a0x215aFraction five sixths8539⅛⅛\00215b0x215bFraction one eighth8540⅜⅜\00215c0x215cFraction three eighths8541⅝⅝\00215d0x215dFraction five eighths8542⅞⅞\00215e0x215eFraction seven eighthsArrowsCodeSymbolHtml CodeHtml NameCSSHexDescription8592←←\0021900x2190Leftwards arrow8593↑↑\0021910x2191Upwards arrow8594→→\0021920x2192Rightwards arrow8595↓↓\0021930x2193Downwards arrow8596↔↔\0021940x2194Left right arrow8597↕↕\0021950x2195Up down arrow8598↖↖\0021960x2196North west arrow8599↗↗\0021970x2197North east arrow8600↘↘\0021980x2198South east arrow8601↙↙\0021990x2199South west arrow8602↚↚\00219a0x219aLeftwards arrow with stroke8603↛↛\00219b0x219bRightwards arrow with stroke8604↜↜\00219c0x219cLeftwards wave arrow8605↝↝\00219d0x219dRightwards wave arrow8606↞↞\00219e0x219eLeftwards two headed arrow8607↟↟\00219f0x219fUpwards two headed arrow8608↠↠\0021a00x21a0Rightwards two headed arrow8609↡↡\0021a10x21a1Downwards two headed arrow8610↢↢\0021a20x21a2Leftwards arrow with tail8611↣↣\0021a30x21a3Rightwards arrow with tail8612↤↤\0021a40x21a4Leftwards arrow from bar8613↥↥\0021a50x21a5Upwards arrow from bar8614↦↦\0021a60x21a6Downwards arrow from bar8616↨↨\0021a80x21a8Up down arrow with base8617↩↩\0021a90x21a9Leftwards arrow with hook8618↪↪\0021aa0x21aaRightwards arrow with hook8619↫↫\0021ab0x21abLeftwards arrow with loop8620↬↬\0021ac0x21acRightwards arrow with loop8621↭↭\0021ad0x21adLeft right wave arrow8622↮↮\0021ae0x21aeLeft right arrow with stroke8623↯↯\0021af0x21afDownwards zigzag arrow8624↰↰\0021b00x21b0Upwards arrow with tip leftwards8625↱↱\0021b10x21b1Upwards arrow with tip rightwards8626↲↲\0021b20x21b2Downwards arrow with tip leftwards8627↳↳\0021b30x21b3Downwards arrow with tip rightwards8628↴↴\0021b40x21b4Rightwards arrow with corner downwards8629↵↵\0021b50x21b5Downwards arrow with corner leftwards8630↶↶\0021b60x21b6Anticlockwise top semicircle arrow8631↷↷\0021b70x21b7Clockwise top semicircle arrow8632↸↸\0021b80x21b8North west arrow to long bar8633↹↹\0021b90x21b9Leftwards arrow to bar over rightwards arrow to bar8634↺↺\0021ba0x21baAnticlockwise open circle arrow8635↻↻\0021bb0x21bbClockwise open circle arrow8636↼↼\0021bc0x21bcLeftwards harpoon with barb upwards8637↽↽\0021bd0x21bdLeftwards harpoon with barb downwards8638↾↾\0021be0x21beUpwards harpoon with barb rightwards8639↿↿\0021bf0x21bfUpwards harpoon with barb leftwards8640⇀⇀\0021c00x21c0Rightwards harpoon with barb upwards8641⇁⇁\0021c10x21c1Rightwards harpoon with barb downwards8642⇂⇂\0021c20x21c2Downwards harpoon with barb rightwards8643⇃⇃\0021c30x21c3Downwards harpoon with barb leftwards8644⇄⇄\0021c40x21c4Rightwards arrow over leftwards arrow8645⇅⇅\0021c50x21c5Upwards arrow leftwards of downwards arrow8646⇆⇆\0021c60x21c6Leftwards arrow over rightwards arrow8647⇇⇇\0021c70x21c7Leftwards paired arrows8648⇈⇈\0021c80x21c8Upwards paired arrows8649⇉⇉\0021c90x21c9Rightwards paired arrows8650⇊⇊\0021ca0x21caDownwards paired arrows8651⇋⇋\0021cb0x21cbLeftwards harpoon over rightwards harpoon8652⇌⇌\0021cc0x21ccRightwards harpoon over leftwards harpoon8653⇍⇍\0021cd0x21cdLeftwards double arrow with stroke8654⇎⇎\0021ce0x21ceLeft right double arrow with stroke8655⇏⇏\0021cf0x21cfRightwards double arrow with stroke8656⇐⇐\0021d00x21d0Leftwards double arrow8657⇑⇑\0021d10x21d1Upwards double arrow8658⇒⇒\0021d20x21d2Rightwards double arrow8659⇓⇓\0021d30x21d3Downwards double arrow8660⇔⇔\0021d40x21d4Left right double arrow8661⇕⇕\0021d50x21d5Up down double arrow8662⇖⇖\0021d60x21d6North west double arrow8663⇗⇗\0021d70x21d7North east double arrow8664⇘⇘\0021d80x21d8South east double arrow8665⇙⇙\0021d90x21d9South west double arrow8666⇚⇚\0021da0x21daLeftwards triple arrow8667⇛⇛\0021db0x21dbRightwards triple arrow8668⇜⇜\0021dc0x21dcLeftwards squiggle arrow8669⇝⇝\0021dd0x21ddRightwards squiggle arrow8670⇞⇞\0021de0x21deUpwards arrow with double stroke8671⇟⇟\0021df0x21dfDownwards arrow with double stroke8672⇠⇠\0021e00x21e0Leftwards dashed arrow8673⇡⇡\0021e10x21e1Upwards dashed arrow8674⇢⇢\0021e20x21e2Rightwards dashed arrow8675⇣⇣\0021e30x21e3Downwards dashed arrow8676⇤⇤\0021e40x21e4Leftwards arrow to bar8677⇥⇥\0021e50x21e5Rightwards arrow to bar8678⇦⇦\0021e60x21e6Leftwards white arrow8679⇧⇧\0021e70x21e7Upwards white arrow8680⇨⇨\0021e80x21e8Rightwards white arrow8681⇩⇩\0021e90x21e9Downwards white arrow10136➘➘\0027980x2798Heavy south east arrow10137➙➙\0027990x2799Heavy rightwards arrow10138➚➚\00279a0x279aHeavy north east arrow10139➛➛\00279b0x279bDrafting point rightwards arrow10140➜➜\00279c0x279cHeavy round-tipped rightwards arrow10141➝➝\00279d0x279dTriangle-headed rightwards arrow10142➞➞\00279e0x279eHeavy triangle-headed rightwards arrow10143➟➟\00279f0x279fDashed triangle-headed rightwards arrow10144➠➠\0027a00x27a0Heavy dashed triangle-headed rightwards arrow10145➡➡\0027a10x27a1Black rightwards arrow10146➢➢\0027a20x27a2Three-d top-lighted rightwards arrowhead10147➣➣\0027a30x27a3Three-d bottom-lighted rightwards arrowhead10148➤➤\0027a40x27a4Black rightwards arrowhead10149➥➥\0027a50x27a5Heavy black curved upwards and rightwards arrow10151➧➧\0027a70x27a7Squat black rightwards arrow10152➨➨\0027a80x27a8Heavy concave-pointed black rightwards arrow10153➩➩\0027a90x27a9Right-shaded white rightwards arrow10154➪➪\0027aa0x27aaLeft-shaded white rightwards arrow10155➫➫\0027ab0x27abBack-tilted shadowed white rightwards arrow10156➬➬\0027ac0x27acFront-tilted shadowed white rightwards arrow10157➭➭\0027ad0x27adHeavy lower right-shadowed white rightwards arrow10158➮➮\0027ae0x27aeHeavy upper right-shadowed white rightwards arrow10159➯➯\0027af0x27afNotched lower right-shadowed white rightwards arrow10161➱➱\0027b10x27b1Notched upper right-shadowed white rightwards arrow10162➲➲\0027b20x27b2Circled heavy white rightwards arrow10163➳➳\0027b30x27b3White-feathered rightwards arrow10164➴➴\0027b40x27b4Black-feathered south east arrow10165➵➵\0027b50x27b5Black-feathered rightwards arrow10166➶➶\0027b60x27b6Black-feathered north east arrow10167➷➷\0027b70x27b7Heavy black-feathered south east arrow10168➸➸\0027b80x27b8Heavy black-feathered rightwards arrow10169➹➹\0027b90x27b9Heavy black-feathered north east arrow10170➺➺\0027ba0x27baTeardrop-barbed rightwards arrow10171➻➻\0027bb0x27bbHeavy teardrop-shanked rightwards arrow10172➼➼\0027bc0x27bcWedge-tailed rightwards arrow10173➽➽\0027bd0x27bdHeavy wedge-tailed rightwards arrow10174➾➾\0027be0x27beOpen-outlined rightwards arrowStarsCodeSymbolHtml CodeHtml NameCSSHexDescription8902⋆⋆\0022c60x22c65 point star9733★★\0026050x2605Black 5 point star9885⚝⚝\00269d0x269dOutlined white star9956⛤⛤\0026e40x26e49957⛥⛥\0026e50x26e59958⛦⛦\0026e60x26e69959⛧⛧\0026e70x26e710018✢✢\0027220x2722Four teardrop-spoked asterisk10019✣✣\0027230x2723Four balloon-spoked asterisk10020✤✤\0027240x2724Heavy four balloon-spoked asterisk10021✥✥\0027250x2725Four club-spoked asterisk10022✦✦\0027260x2726Black four pointed star10023✧✧\0027270x2727White four pointed star10024✨✨\0027280x272810025✩✩\0027290x2729Stress outlined white star10026✪✪\00272a0x272aCircled white star10027✫✫\00272b0x272bOpen centre black star10028✬✬\00272c0x272cBlack centre white star10029✭✭\00272d0x272dOutlined black star10030✮✮\00272e0x272eHeavy outlined black star10031✯✯\00272f0x272fPinwheel star10032✰✰\0027300x2730Shadowed white star10033✱✱\0027310x2731Heavy asterisk10034✲✲\0027320x2732Open centre asterisk10035✳✳\0027330x2733Eight spoked asterisk10036✴✴\0027340x2734Eight pointed black star10037✵✵\0027350x2735Eight pointed pinwheel star10038✶✶\0027360x2736Six pointed black star10039✷✷\0027370x2737Heavy eight pointed rectilinear black star10041✹✹\0027390x2739Twelve pointed black star10042✺✺\00273a0x273aSixteen pointed asterisk10043✻✻\00273b0x273bTeardrop-spoked asterisk10044✼✼\00273c0x273cOpen centre teardrop-spoked asterisk10045✽✽\00273d0x273dHeavy teardrop-spoked asterisk10046✾✾\00273e0x273eSix petalled black and white florette10050❂❂\0027420x2742Circled open centre eight pointed star10051❃❃\0027430x2743Heavy teardrop-spoked pinwheel asterisk10053❅❅\0027450x2745Tight trifoliate snowflake10054❆❆\0027460x2746Heavy chevron snowflake10055❇❇\0027470x2747Sparkle10056❈❈\0027480x2748Heavy sparkle10057❉❉\0027490x2749Balloon-spoked asterisk10058❊❊\00274a0x274aEight teardrop-spoked propeller asterisk10059❋❋\00274b0x274bHeavy eight teardrop-spoked propeller asteriskHeartsCodeSymbolHtml CodeHtml NameCSSHexDescription10083❣❣\0027630x2763Exclamation Heart10084❤❤\0027640x2764Big Heart10085❥❥\0027650x2765Rotated Heart10086❦❦\0027660x2766Floral Heart128147💓💓\001f4930x1f493Heart Pulse128148💔💔\001f4940x1f494Broken Heart128149💕💕\001f4950x1f495Heart Couple128150💖💖\001f4960x1f496Heart Stars128151💗💗\001f4970x1f497Hearts128152💘💘\001f4980x1f498Heart with Arrow128153💙💙\001f4990x1f499Blue Heart128154💚💚\001f49a0x1f49aGreen Heart128155💛💛\001f49b0x1f49bYellow Heart128156💜💜\001f49c0x1f49cPurple Heart128157💝💝\001f49d0x1f49dHeart with Ribbon128158💞💞\001f49e0x1f49eHearts TogetherZodiacCodeSymbolHtml CodeHtml NameCSSHexDescription9800♈♈\0026480x2648Aries9801♉♉\0026490x2649Taurus9802♊♊\00264a0x264aGemini9803♋♋\00264b0x264bCancer9804♌♌\00264c0x264cLeo9805♍♍\00264d0x264dVirgo9806♎♎\00264e0x264eLibra9807♏♏\00264f0x264fScorpio9808♐♐\0026500x2650Sagittarius9809♑♑\0026510x2651Capricorn9810♒♒\0026520x2652Aquarius9811♓♓\0026530x2653PiscesGamesCodeSymbolHtml CodeHtml NameCSSHexDescription9812♔♔\0026540x2654White chess king9813♕♕\0026550x2655White chess queen9814♖♖\0026560x2656White chess rook9815♗♗\0026570x2657White chess bishop9816♘♘\0026580x2658White chess knight9817♙♙\0026590x2659White chess pawn9818♚♚\00265a0x265aBlack chess king9819♛♛\00265b0x265bBlack chess queen9820♜♜\00265c0x265cBlack chess rook9821♝♝\00265d0x265dBlack chess bishop9822♞♞\00265e0x265eBlack chess knight9823♟♟\00265f0x265fBlack chess pawn9824♠♠&\0026600x2660Black Spade suit9825♡♡\0026610x2661White Heart suit, valentine9826♢♢\0026620x2662White Diamond suit9827♣♣&\0026630x2663Black Club suit, shamrock9828♤♤\0026640x2664White Spade suit9829♥♥&\0026650x2665Black Heart suit, valentine9830♦♦&\0026660x2666Black Diamond suit9831♧♧\0026670x2667White Club suit, shamrock9856⚀⚀\0026800x2680Die 19857⚁⚁\0026810x2681Die 29858⚂⚂\0026820x2682Die 39859⚃⚃\0026830x2683Die 49860⚄⚄\0026840x2684Die 59861⚅⚅\0026850x2685Die 69917⚽⚽\0026bd0x26bd9918⚾⚾\0026be0x26be9975⛷⛷\0026f70x26f79976⛸⛸\0026f80x26f89977⛹⛹\0026f90x26f9NumbersCodeSymbolHtml CodeHtml NameCSSHexDescription9312①①\0024600x2460Circled digit one9313②②\0024610x2461Circled digit two9314③③\0024620x2462Circled digit three9315④④\0024630x2463Circled digit four9316⑤⑤\0024640x2464Circled digit five9317⑥⑥\0024650x2465Circled digit six9318⑦⑦\0024660x2466Circled digit seven9319⑧⑧\0024670x2467Circled digit eight9320⑨⑨\0024680x2468Circled digit nine9321⑩⑩\0024690x2469Circled number ten9322⑪⑪\00246a0x246aCircled number eleven9323⑫⑫\00246b0x246bCircled number twelve9324⑬⑬\00246c0x246cCircled number thirteen9325⑭⑭\00246d0x246dCircled number fourteen9326⑮⑮\00246e0x246eCircled number fifteen9327⑯⑯\00246f0x246fCircled number sixteen9328⑰⑰\0024700x2470Circled number seventeen9329⑱⑱\0024710x2471Circled number eighteen9330⑲⑲\0024720x2472Circled number nineteen9331⑳⑳\0024730x2473Circled number twenty9332⑴⑴\0024740x2474Parenthesized digit one9333⑵⑵\0024750x2475Parenthesized digit two9334⑶⑶\0024760x2476Parenthesized digit three9335⑷⑷\0024770x2477Parenthesized digit four9336⑸⑸\0024780x2478Parenthesized digit five9337⑹⑹\0024790x2479Parenthesized digit six9338⑺⑺\00247a0x247aParenthesized digit seven9339⑻⑻\00247b0x247bParenthesized digit eight9340⑼⑼\00247c0x247cParenthesized digit nine9341⑽⑽\00247d0x247dParenthesized number ten9342⑾⑾\00247e0x247eParenthesized number eleven9343⑿⑿\00247f0x247fParenthesized number twelve9344⒀⒀\0024800x2480Parenthesized number thirteen9345⒁⒁\0024810x2481Parenthesized number fourteen9346⒂⒂\0024820x2482Parenthesized number fifteen9347⒃⒃\0024830x2483Parenthesized number sixteen9348⒄⒄\0024840x2484Parenthesized number seventeen9349⒅⒅\0024850x2485Parenthesized number eighteen9350⒆⒆\0024860x2486Parenthesized number nineteen9351⒇⒇\0024870x2487Parenthesized number twenty9352⒈⒈\0024880x2488Digit one full stop9353⒉⒉\0024890x2489Digit two full stop9354⒊⒊\00248a0x248aDigit three full stop9355⒋⒋\00248b0x248bDigit four full stop9356⒌⒌\00248c0x248cDigit five full stop9357⒍⒍\00248d0x248dDigit six full stop9358⒎⒎\00248e0x248eDigit seven full stop9359⒏⒏\00248f0x248fDigit eight full stop9360⒐⒐\0024900x2490Digit nine full stop9361⒑⒑\0024910x2491Number ten full stop9362⒒⒒\0024920x2492Number eleven full stop9363⒓⒓\0024930x2493Number twelve full stop9364⒔⒔\0024940x2494Number thirteen full stop9365⒕⒕\0024950x2495Number fourteen full stop9366⒖⒖\0024960x2496Number fifteen full stop9367⒗⒗\0024970x2497Number sixteen full stop9368⒘⒘\0024980x2498Number seventeen full stop9369⒙⒙\0024990x2499Number eighteen full stop9370⒚⒚\00249a0x249aNumber nineteen full stop9371⒛⒛\00249b0x249bNumber twenty full stop9450⓪⓪\0024ea0x24eaCircled digit zero9451⓫⓫\0024eb0x24ebDingbat negative circled number evelven9452⓬⓬\0024ec0x24ecDingbat negative circled number twelve9453⓭⓭\0024ed0x24edDingbat negative circled number thirteen9454⓮⓮\0024ee0x24eeDingbat negative circled number fourteen9455⓯⓯\0024ef0x24efDingbat negative circled number fifteen9456⓰⓰\0024f00x24f0Dingbat negative circled number sixteen9457⓱⓱\0024f10x24f1Dingbat negative circled number seventeen9458⓲⓲\0024f20x24f2Dingbat negative circled number eighteen9459⓳⓳\0024f30x24f3Dingbat negative circled number nineteen9460⓴⓴\0024f40x24f4Dingbat negative circled number twenty10102❶❶\0027760x2776Dingbat negative circled digit one10103❷❷\0027770x2777Dingbat negative circled digit two10104❸❸\0027780x2778Dingbat negative circled digit three10105❹❹\0027790x2779Dingbat negative circled digit four10106❺❺\00277a0x277aDingbat negative circled digit five10107❻❻\00277b0x277bDingbat negative circled digit six10108❼❼\00277c0x277cDingbat negative circled digit seven10109❽❽\00277d0x277dDingbat negative circled digit eight10110❾❾\00277e0x277eDingbat negative circled digit nine10111❿❿\00277f0x277fDingbat negative circled number tenReligious & Political SymbolsCodeSymbolHtml CodeHtml NameCSSHexDescription1421֍֍\0058d0x58dRight facing Armenian eternity sign1422֎֎\0058e0x58eLeft facing Armenian eternity sign2384ॐॐ\009500x950Devanagari Om9764☤☤\0026240x2624Caduceus9765☥☥\0026250x2625Ankh9766☦☦\0026260x2626Orthodox cross9767☧☧\0026270x2627Chi Rho9768☨☨\0026280x2628Cross of Lorraine9769☩☩\0026290x2629Cross of Jerusalem9770☪☪\00262a0x262aStar and Crescent9771☫☫\00262b0x262bFarsi Symbol9772☬☬\00262c0x262cAdi Shakti9773☭☭\00262d0x262dHammer and Sickle9774☮☮\00262e0x262ePeace Symbol9775☯☯\00262f0x262fYin Yang9784☸☸\0026380x2638Wheel of Dharma10013✝✝\00271d0x271dLatin cross10014✞✞\00271e0x271eShadowed white Latin cross10015✟✟\00271f0x271fOutlined Latin Cross10016✠✠\0027200x2720Maltese cross10017✡✡\0027210x2721Star of DavidMusicalCodeSymbolHtml CodeHtml 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sign9992✈✈\0027080x2708Airplane9993✉✉\0027090x2709Envelope9994✊✊\00270a0x270a9995✋✋\00270b0x270b9996✌✌\00270c0x270cVictory hand9997✍✍\00270d0x270dWriting hand9998✎✎\00270e0x270eLower Right Pencil9999✏✏\00270f0x270fPencil10000✐✐\0027100x2710Upper Right Pencil10003✓✓\0027130x2713Check mark10004✔✔\0027140x271410005✕✕\0027150x271510006✖✖\0027160x271610007✗✗\0027170x2717Ballot X10008✘✘\0027180x271810047✿✿\00273f0x273fBlack florette10048❀❀\0027400x2740White florette10049❁❁\0027410x2741Eight petalled outlined black florette10052❄❄\0027440x2744Snowflake10061❍❍\00274d0x274dShadowed white circle10063❏❏\00274f0x274fLower right drop shadowed white square10064❐❐\0027500x2750Upper right drop shadowed white square10065❑❑\0027510x2751Lower right shadowed white square10066❒❒\0027520x2752Upper right shadowed white square10070❖❖\0027560x2756Black diamond minus white X10731⧫⧫\0029eb0x29ebBlack lozenge11047⬧⬧\002b270x2b27Black medium lozenge128274🔒🔒\001f5120x1f512PadlockCurrencyCodeSymbolHtml CodeHtml NameCSSHexDescription8352₠₠\0020a00x20a0Euro-currency sign8353₡₡\0020a10x20a1Cent sign8356₤₤\0020a40x20a4Pound sterlingUnitsCodeSymbolHtml CodeHtml NameCSSHexDescription13169㍱㍱\0033710x3371Hectopascal13170㍲㍲\0033720x3372Dalton (atomic mass)13171㍳㍳\0033730x3373Astronomical Unit13172㍴㍴\0033740x3374Bar (Pressure)13173㍵㍵\0033750x337513174㍶㍶\0033760x3376Parsec13184㎀㎀\0033800x3380Pico Amps13185㎁㎁\0033810x3381Nano Amps13186㎂㎂\0033820x3382Micro Amps13187㎃㎃\0033830x3383Mega Amps13188㎄㎄\0033840x3384Kilo Amps13189㎅㎅\0033850x3385Kilobyte13190㎆㎆\0033860x3386Megabyte13191㎇㎇\0033870x3387Gigabyte13192㎈㎈\0033880x3388Calories13193㎉㎉\0033890x3389Kilocalories13194㎊㎊\00338a0x338aPico Farads13195㎋㎋\00338b0x338bNano Farads13196㎌㎌\00338c0x338cMicro Farads13197㎍㎍\00338d0x338dMicro Grams13198㎎㎎\00338e0x338eMiligrams13199㎏㎏\00338f0x338fKilograms13200㎐㎐\0033900x3390Hertz13201㎑㎑\0033910x3391Kilohertz13202㎒㎒\0033920x3392Megahertz13203㎓㎓\0033930x3393Gigahertz13204㎔㎔\0033940x3394Terahertz13205㎕㎕\0033950x3395Micro litres13206㎖㎖\0033960x3396Mililitres13207㎗㎗\0033970x3397Decilitres13208㎘㎘\0033980x3398Kilolitres13209㎙㎙\0033990x3399Femtometre13210㎚㎚\00339a0x339aNanometre13211㎛㎛\00339b0x339bMicrometre13212㎜㎜\00339c0x339cMilimetre13213㎝㎝\00339d0x339dCentimetre13214㎞㎞\00339e0x339eKilometre13215㎟㎟\00339f0x339fMillimetre squared13216㎠㎠\0033a00x33a0Centimetre squared13217㎡㎡\0033a10x33a1Metre squared13218㎢㎢\0033a20x33a2Kilometre squared13219㎣㎣\0033a30x33a3Millimetre cubed13220㎤㎤\0033a40x33a4Centimetre cubed13221㎥㎥\0033a50x33a5Metre cubed13222㎦㎦\0033a60x33a6Kilometre cubed13223㎧㎧\0033a70x33a7Metres per second13224㎨㎨\0033a80x33a8Acceleration (metres per second per second)13225㎩㎩\0033a90x33a9Pascal13226㎪㎪\0033aa0x33aaKilopascal13227㎫㎫\0033ab0x33abMegapascal13228㎬㎬\0033ac0x33acGigapascal13229㎭㎭\0033ad0x33adRadian13230㎮㎮\0033ae0x33aeRadian per second13231㎯㎯\0033af0x33afRadian per second per second13232㎰㎰\0033b00x33b0Petasecond13233㎱㎱\0033b10x33b1Nanosecond13234㎲㎲\0033b20x33b2Microsecond13235㎳㎳\0033b30x33b3Millisecond13236㎴㎴\0033b40x33b4Picovolt13237㎵㎵\0033b50x33b5Nanovolt13238㎶㎶\0033b60x33b6Microvolt13239㎷㎷\0033b70x33b7Milivolt13240㎸㎸\0033b80x33b8Kilovolt13241㎹㎹\0033b90x33b9Megavolt13242㎺㎺\0033ba0x33baPicowatt13243㎻㎻\0033bb0x33bbNanowatt13244㎼㎼\0033bc0x33bcMicrowatt13245㎽㎽\0033bd0x33bdMilliwatt13246㎾㎾\0033be0x33beKilowatt13247㎿㎿\0033bf0x33bfMegawatt13248㏀㏀\0033c00x33c0Kilo Ohm13249㏁㏁\0033c10x33c1Mega Ohm13250㏂㏂\0033c20x33c2AM13251㏃㏃\0033c30x33c3Becquerel13252㏄㏄\0033c40x33c4Cubic Centilitre13253㏅㏅\0033c50x33c5Candela13254㏆㏆\0033c60x33c6Content Kilogram13255㏇㏇\0033c70x33c713256㏈㏈\0033c80x33c8Decibel13257㏉㏉\0033c90x33c9Gray13258㏊㏊\0033ca0x33caHectare13259㏋㏋\0033cb0x33cb13260㏌㏌\0033cc0x33cc13261㏍㏍\0033cd0x33cd13262㏎㏎\0033ce0x33ce13263㏏㏏\0033cf0x33cf13264㏐㏐\0033d00x33d013265㏑㏑\0033d10x33d113266㏒㏒\0033d20x33d213267㏓㏓\0033d30x33d313268㏔㏔\0033d40x33d413269㏕㏕\0033d50x33d513270㏖㏖\0033d60x33d6Mol13271㏗㏗\0033d70x33d7pH13272㏘㏘\0033d80x33d813273㏙㏙\0033d90x33d9Parts Per Million13274㏚㏚\0033da0x33da13275㏛㏛\0033db0x33db13276㏜㏜\0033dc0x33dc13277㏝㏝\0033dd0x33ddMy website and its content are free to use without the clutter of adverts, tracking cookies, marketing messages or anything else like that. 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About the AuthorTim TrottTim is a professional software engineer, designer, photographer and astronomer from the United Kingdom. You can follow him on
to get the latest updates.AboutHello I'm Tim. I'm a professional software engineer, web developer, designer, photographer and astronomer from the UK.I started blogging in 2004 as a way to record my activities and hobbies. I find blogging allows me to reflect on what I've been doing in life and what I've learned from it. It's a great tool for self-growth, and I recommend it to anyone.Follow MeTo get the latest update from me and my worksLatest PhotosNo ads, no cookies, no tracking, no popups.The Internet, as it should be. Fast. &

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