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<?php
$symbol_arr = array(
// Greek symbols
'alpha' => array( 'input'=>'alpha','tag'=>'mi', 'output'=>'&#' . hexdec('03B1') . ';'),
'beta' => array( 'input'=>'beta','tag'=>'mi', 'output'=>'&#' . hexdec('03B2') . ';'),
'chi' => array( 'input'=>'chi','tag'=>'mi', 'output'=>'&#' . hexdec('03C7') . ';'),
'delta' => array( 'input'=>'delta','tag'=>'mi', 'output'=>'&#' . hexdec('03B4') . ';'),
'Delta' => array( 'input'=>'Delta','tag'=>'mo', 'output'=>'&#' . hexdec('0394') . ';'),
'epsi' => array( 'input'=>'epsi','tag'=>'mi', 'output'=>'&#' . hexdec('03B5') . ';'),
'varepsilon' => array( 'input'=>'varepsilon','tag'=>'mi', 'output'=>'&#' . hexdec('025B') . ';'),
'eta' => array( 'input'=>'eta','tag'=>'mi', 'output'=>'&#' . hexdec('03B7') . ';'),
'gamma' => array( 'input'=>'gamma','tag'=>'mi', 'output'=>'&#' . hexdec('03B3') . ';'),
'Gamma' => array( 'input'=>'Gamma','tag'=>'mi', 'output'=>'&#' . hexdec('0393') . ';'),
'iota' => array( 'input'=>'iota','tag'=>'mi', 'output'=>'&#' . hexdec('03B9') . ';'),
'kappa' => array( 'input'=>'kappa','tag'=>'mi', 'output'=>'&#' . hexdec('03BA') . ';'),
'lambda' => array( 'input'=>'lambda','tag'=>'mi', 'output'=>'&#' . hexdec('03BB') . ';'),
'Lambda' => array( 'input'=>'Lambda','tag'=>'mo', 'output'=>'&#' . hexdec('039B') . ';'),
'mu' => array( 'input'=>'mu','tag'=>'mi', 'output'=>'&#' . hexdec('03BC') . ';'),
'nu' => array( 'input'=>'nu','tag'=>'mi', 'output'=>'&#' . hexdec('03BD') . ';'),
'omega' => array( 'input'=>'omega','tag'=>'mi', 'output'=>'&#' . hexdec('03C9') . ';'),
'Omega' => array( 'input'=>'Omega','tag'=>'mo', 'output'=>'&#' . hexdec('03A9') . ';'),
'phi' => array( 'input'=>'phi','tag'=>'mi', 'output'=>'&#' . hexdec('03C6') . ';'),
'varphi' => array( 'input'=>'varphi','tag'=>'mi', 'output'=>'&#' . hexdec('03D5') . ';'),
'Phi' => array( 'input'=>'Phi','tag'=>'mo', 'output'=>'&#' . hexdec('03A6') . ';'),
'pi' => array( 'input'=>'pi','tag'=>'mi', 'output'=>'&#' . hexdec('03C0') . ';'),
'Pi' => array( 'input'=>'Pi','tag'=>'mo', 'output'=>'&#' . hexdec('03A0') . ';'),
'psi' => array( 'input'=>'psi','tag'=>'mi', 'output'=>'&#' . hexdec('03C8') . ';'),
'rho' => array( 'input'=>'rho','tag'=>'mi', 'output'=>'&#' . hexdec('03C1') . ';'),
'sigma' => array( 'input'=>'sigma','tag'=>'mi', 'output'=>'&#' . hexdec('03C3') . ';'),
'Sigma' => array( 'input'=>'Sigma','tag'=>'mo', 'output'=>'&#' . hexdec('03A3') . ';'),
'tau' => array( 'input'=>'tau','tag'=>'mi', 'output'=>'&#' . hexdec('03C4') . ';'),
'theta' => array( 'input'=>'theta','tag'=>'mi', 'output'=>'&#' . hexdec('03B8') . ';'),
'vartheta' => array( 'input'=>'vartheta','tag'=>'mi', 'output'=>'&#' . hexdec('03D1') . ';'),
'Theta' => array( 'input'=>'Theta','tag'=>'mo', 'output'=>'&#' . hexdec('0398') . ';'),
'upsilon' => array( 'input'=>'upsilon','tag'=>'mi', 'output'=>'&#' . hexdec('03C5') . ';'),
'xi' => array( 'input'=>'xi','tag'=>'mi', 'output'=>'&#' . hexdec('03BE') . ';'),
'Xi' => array( 'input'=>'alpha','tag'=>'mo', 'output'=>'&#' . hexdec('039E') . ';'),
'zeta' => array( 'input'=>'zeta','tag'=>'mi', 'output'=>'&#' . hexdec('03B6') . ';'),
// Binary operation symbols
'*' => array( 'input'=>'*','tag'=>'mo', 'output'=>'&#' . hexdec('22C5') . ';'),
'**' => array( 'input'=>'**','tag'=>'mo', 'output'=>'&#' . hexdec('22C6') . ';'),
'//' => array( 'input'=>'//','tag'=>'mo', 'output'=>'/'),
'\\\\' => array( 'input'=>'\\\\','tag'=>'mo', 'output'=>'\\'),
'xx' => array( 'input'=>'xx','tag'=>'mo', 'output'=>'&#' . hexdec('00D7') . ';'),
'-:' => array( 'input'=>'-:','tag'=>'mo', 'output'=>'&#' . hexdec('00F7') . ';'),
'@' => array( 'input'=>'@','tag'=>'mo', 'output'=>'&#' . hexdec('2218') . ';'),
'o+' => array( 'input'=>'o+','tag'=>'mo', 'output'=>'&#' . hexdec('2295') . ';'),
'ox' => array( 'input'=>'ox','tag'=>'mo', 'output'=>'&#' . hexdec('2297') . ';'),
'sum' => array( 'input'=>'sum','tag'=>'mo', 'output'=>'&#' . hexdec('2211') . ';', 'underover'=>TRUE),
'prod' => array( 'input'=>'prod','tag'=>'mo', 'output'=>'&#' . hexdec('220F') . ';', 'underover'=>TRUE),
'^^' => array( 'input'=>'^^','tag'=>'mo', 'output'=>'&#' . hexdec('2227') . ';'),
'^^^' => array( 'input'=>'^^^','tag'=>'mo', 'output'=>'&#' . hexdec('22C0') . ';', 'underover'=>TRUE),
'vv' => array( 'input'=>'vv','tag'=>'mo', 'output'=>'&#' . hexdec('2228') . ';'),
'vvv' => array( 'input'=>'vvv','tag'=>'mo', 'output'=>'&#' . hexdec('22C1') . ';', 'underover'=>TRUE),
'nn' => array( 'input'=>'nn','tag'=>'mo', 'output'=>'&#' . hexdec('2229') . ';'),
'nnn' => array( 'input'=>'nnn','tag'=>'mo', 'output'=>'&#' . hexdec('22C5') . ';', 'underover'=>TRUE),
'uu' => array( 'input'=>'uu','tag'=>'mo', 'output'=>'&#' . hexdec('222A') . ';'),
'uuu' => array( 'input'=>'uuu','tag'=>'mo', 'output'=>'&#' . hexdec('22C3') . ';', 'underover'=>TRUE),
// Binary relation symbols
'!=' => array( 'input'=>'!=','tag'=>'mo', 'output'=>'&#' . hexdec('2260') . ';'),
'<' => array( 'input'=>'<','tag'=>'mo', 'output'=>'<'),
'<=' => array( 'input'=>'<=','tag'=>'mo', 'output'=>'&#' . hexdec('2264') . ';'),
'lt=' => array( 'input'=>'lt=','tag'=>'mo', 'output'=>'&#' . hexdec('2264') . ';'),
'>' => array( 'input'=>'>','tag'=>'mo', 'output'=>'>'),
'>=' => array( 'input'=>'>=','tag'=>'mo', 'output'=>'&#' . hexdec('2265') . ';'),
'qeq' => array( 'input'=>'geq','tag'=>'mo', 'output'=>'&#' . hexdec('2265') . ';'),
'-<' => array( 'input'=>'-<','tag'=>'mo', 'output'=>'&#' . hexdec('227A') . ';'),
'-lt' => array( 'input'=>'-lt','tag'=>'mo', 'output'=>'&#' . hexdec('227A') . ';'),
'>-' => array( 'input'=>'>-','tag'=>'mo', 'output'=>'&#' . hexdec('227B') . ';'),
'in' => array( 'input'=>'in','tag'=>'mo', 'output'=>'&#' . hexdec('2208') . ';'),
'!in' => array( 'input'=>'!in','tag'=>'mo', 'output'=>'&#' . hexdec('2209') . ';'),
'sub' => array( 'input'=>'sub','tag'=>'mo', 'output'=>'&#' . hexdec('2282') . ';'),
'sup' => array( 'input'=>'sup','tag'=>'mo', 'output'=>'&#' . hexdec('2283') . ';'),
'sube' => array( 'input'=>'sube','tag'=>'mo', 'output'=>'&#' . hexdec('2286') . ';'),
'supe' => array( 'input'=>'supe','tag'=>'mo', 'output'=>'&#' . hexdec('2287') . ';'),
'-=' => array( 'input'=>'-=','tag'=>'mo', 'output'=>'&#' . hexdec('2261') . ';'),
'~=' => array( 'input'=>'~=','tag'=>'mo', 'output'=>'&#' . hexdec('2245') . ';'),
'~~' => array( 'input'=>'~~','tag'=>'mo', 'output'=>'&#' . hexdec('2248') . ';'),
'prop' => array( 'input'=>'prop','tag'=>'mo', 'output'=>'&#' . hexdec('221D') . ';'),
// Logical symbols
'and' => array( 'input'=>'and','tag'=>'mtext', 'output'=>'and', 'space'=>'1ex'),
'or' => array( 'input'=>'or','tag'=>'mtext', 'output'=>'or', 'space'=>'1ex'),
'not' => array( 'input'=>'not','tag'=>'mo', 'output'=>'&#' . hexdec('00AC') . ';'),
'=>' => array( 'input'=>'=>','tag'=>'mo', 'output'=>'&#' . hexdec('21D2') . ';'),
'if' => array( 'input'=>'if','tag'=>'mo', 'output'=>'if', 'space'=>'1ex'),
'iff' => array( 'input'=>'iff','tag'=>'mo', 'output'=>'&#' . hexdec('21D4') . ';'),
'AA' => array( 'input'=>'AA','tag'=>'mo', 'output'=>'&#' . hexdec('2200') . ';'),
'EE' => array( 'input'=>'EE','tag'=>'mo', 'output'=>'&#' . hexdec('2203') . ';'),
'_|_' => array( 'input'=>'_|_','tag'=>'mo', 'output'=>'&#' . hexdec('22A5') . ';'),
'TT' => array( 'input'=>'TT','tag'=>'mo', 'output'=>'&#' . hexdec('22A4') . ';'),
'|-' => array( 'input'=>'|-','tag'=>'mo', 'output'=>'&#' . hexdec('22A2') . ';'),
'|=' => array( 'input'=>'|=','tag'=>'mo', 'output'=>'&#' . hexdec('22A8') . ';'),
// Miscellaneous symbols
'int' => array( 'input'=>'int','tag'=>'mo', 'output'=>'&#' . hexdec('222B') . ';'),
'oint' => array( 'input'=>'oint','tag'=>'mo', 'output'=>'&#' . hexdec('222E') . ';'),
'del' => array( 'input'=>'del','tag'=>'mo', 'output'=>'&#' . hexdec('2202') . ';'),
'grad' => array( 'input'=>'grad','tag'=>'mo', 'output'=>'&#' . hexdec('2207') . ';'),
'+-' => array( 'input'=>'+-','tag'=>'mo', 'output'=>'&#' . hexdec('00B1') . ';'),
'O/' => array( 'input'=>'0/','tag'=>'mo', 'output'=>'&#' . hexdec('2205') . ';'),
'oo' => array( 'input'=>'oo','tag'=>'mo', 'output'=>'&#' . hexdec('221E') . ';'),
'aleph' => array( 'input'=>'aleph','tag'=>'mo', 'output'=>'&#' . hexdec('2135') . ';'),
'...' => array( 'input'=>'int','tag'=>'mo', 'output'=>'...'),
'~' => array( 'input'=>'!~','tag'=>'mo', 'output'=>'&#' . hexdec('0020') . ';'),
'\\ ' => array( 'input'=>'~','tag'=>'mo', 'output'=>'&#' . hexdec('00A0') . ';'),
'quad' => array( 'input'=>'quad','tag'=>'mo', 'output'=>'&#' . hexdec('00A0') . ';&#' . hexdec('00A0') . ';'),
'qquad' => array( 'input'=>'qquad','tag'=>'mo', 'output'=> '&#' . hexdec('00A0') .
';&#' . hexdec('00A0') .
';&#' . hexdec('00A0') . ';'),
'cdots' => array( 'input'=>'cdots','tag'=>'mo', 'output'=>'&#' . hexdec('22EF') . ';'),
'diamond' => array( 'input'=>'diamond','tag'=>'mo', 'output'=>'&#' . hexdec('22C4') . ';'),
'square' => array( 'input'=>'square','tag'=>'mo', 'output'=>'&#' . hexdec('25A1') . ';'),
'|_' => array( 'input'=>'|_','tag'=>'mo', 'output'=>'&#' . hexdec('230A') . ';'),
'_|' => array( 'input'=>'_|','tag'=>'mo', 'output'=>'&#' . hexdec('230B') . ';'),
'|~' => array( 'input'=>'|~','tag'=>'mo', 'output'=>'&#' . hexdec('2308') . ';'),
'~|' => array( 'input'=>'~|','tag'=>'mo', 'output'=>'&#' . hexdec('2309') . ';'),
'CC' => array( 'input'=>'CC','tag'=>'mo', 'output'=>'&#' . hexdec('2102') . ';'),
'NN' => array( 'input'=>'NN','tag'=>'mo', 'output'=>'&#' . hexdec('2115') . ';'),
'QQ' => array( 'input'=>'QQ','tag'=>'mo', 'output'=>'&#' . hexdec('211A') . ';'),
'RR' => array( 'input'=>'RR','tag'=>'mo', 'output'=>'&#' . hexdec('211D') . ';'),
'ZZ' => array( 'input'=>'ZZ','tag'=>'mo', 'output'=>'&#' . hexdec('2124') . ';'),
// Standard functions
'lim' => array( 'input'=>'lim','tag'=>'mo', 'output'=>'lim', 'underover'=>TRUE),
'sin' => array( 'input'=>'sin','tag'=>'mo', 'output'=>'sin'),
'cos' => array( 'input'=>'cos', 'tag'=>'mo', 'output'=>'cos'),
'tan' => array( 'input'=>'tan', 'tag'=>'mo', 'output'=>'tan'),
'sinh' => array( 'input'=>'sinh','tag'=>'mo', 'output'=>'sinh'),
'cosh' => array( 'input'=>'cosh', 'tag'=>'mo', 'output'=>'cosh'),
'tanh' => array( 'input'=>'tanh', 'tag'=>'mo', 'output'=>'tanh'),
'cot' => array( 'input'=>'cot','tag'=>'mo', 'output'=>'cot'),
'sec' => array( 'input'=>'sec', 'tag'=>'mo', 'output'=>'sec'),
'csc' => array( 'input'=>'csc', 'tag'=>'mo', 'output'=>'cosec'),
'coth' => array( 'input'=>'coth','tag'=>'mo', 'output'=>'coth'),
'sech' => array( 'input'=>'sech', 'tag'=>'mo', 'output'=>'sech'),
'csch' => array( 'input'=>'csch', 'tag'=>'mo', 'output'=>'cosech'),
'log' => array( 'input'=>'log', 'tag'=>'mo', 'output'=>'log'),
'ln' => array( 'input'=>'ln', 'tag'=>'mo', 'output'=>'ln'),
'det' => array( 'input'=>'det', 'tag'=>'mo', 'output'=>'det'),
'dim' => array( 'input'=>'dim', 'tag'=>'mo', 'output'=>'dim'),
'mod' => array( 'input'=>'mod', 'tag'=>'mo', 'output'=>'mod'),
'gcd' => array( 'input'=>'csc', 'tag'=>'mo', 'output'=>'gcd'),
'lcm' => array( 'input'=>'csc', 'tag'=>'mo', 'output'=>'lcm'),
// Arrows
'uarr' => array( 'input'=>'uarr', 'tag'=>'mo', 'output'=>'&#' . hexdec('2191') . ';'),
'darr' => array( 'input'=>'darr', 'tag'=>'mo', 'output'=>'&#' . hexdec('2193') . ';'),
'rarr' => array( 'input'=>'rarr', 'tag'=>'mo', 'output'=>'&#' . hexdec('2192') . ';'),
'->' => array( 'input'=>'->', 'tag'=>'mo', 'output'=>'&#' . hexdec('2192') . ';'),
'larr' => array( 'input'=>'larr', 'tag'=>'mo', 'output'=>'&#' . hexdec('2190') . ';'),
'harr' => array( 'input'=>'harr', 'tag'=>'mo', 'output'=>'&#' . hexdec('2194') . ';'),
'rArr' => array( 'input'=>'rArr', 'tag'=>'mo', 'output'=>'&#' . hexdec('21D2') . ';'),
'lArr' => array( 'input'=>'lArr', 'tag'=>'mo', 'output'=>'&#' . hexdec('21D0') . ';'),
'hArr' => array( 'input'=>'hArr', 'tag'=>'mo', 'output'=>'&#' . hexdec('21D4') . ';'),
// Commands with argument
'sqrt' => array( 'input'=>'sqrt', 'tag'=>'msqrt', 'output'=>'sqrt', 'unary'=>TRUE ),
'root' => array( 'input'=>'root', 'tag'=>'mroot', 'output'=>'root', 'binary'=>TRUE ),
'frac' => array( 'input'=>'frac', 'tag'=>'mfrac', 'output'=>'/', 'binary'=>TRUE),
'/' => array( 'input'=>'/', 'tag'=>'mfrac', 'output'=>'/', 'infix'=>TRUE),
'_' => array( 'input'=>'_', 'tag'=>'msub', 'output'=>'_', 'infix'=>TRUE),
'^' => array( 'input'=>'^', 'tag'=>'msup', 'output'=>'^', 'infix'=>TRUE),
'hat' => array( 'input'=>'hat', 'tag'=>'mover', 'output'=>'&#' . hexdec('005E') . ';', 'unary'=>TRUE, 'acc'=>TRUE),
'bar' => array( 'input'=>'bar', 'tag'=>'mover', 'output'=>'&#' . hexdec('00AF') . ';', 'unary'=>TRUE, 'acc'=>TRUE),
'vec' => array( 'input'=>'vec', 'tag'=>'mover', 'output'=>'&#' . hexdec('2192') . ';', 'unary'=>TRUE, 'acc'=>TRUE),
'dot' => array( 'input'=>'dot', 'tag'=>'mover', 'output'=>'.', 'unary'=>TRUE, 'acc'=>TRUE),
'ddot' => array( 'input'=>'ddot', 'tag'=>'mover', 'output'=>'..', 'unary'=>TRUE, 'acc'=>TRUE),
'ul' => array( 'input'=>'ul', 'tag'=>'munder', 'output'=>'&#' . hexdec('0332') . ';', 'unary'=>TRUE, 'acc'=>TRUE),
'avec' => array( 'input'=>'avec', 'tag'=>'munder', 'output'=>'~', 'unary'=>TRUE, 'acc'=>TRUE),
'text' => array( 'input'=>'text', 'tag'=>'mtext', 'output'=>'text', 'unary'=>TRUE),
'mbox' => array( 'input'=>'mbox', 'tag'=>'mtext', 'output'=>'mbox', 'unary'=>TRUE),
// Grouping brackets
'(' => array( 'input'=>'(', 'tag'=>'mo', 'output'=>'(', 'left_bracket'=>TRUE),
')' => array( 'input'=>')', 'tag'=>'mo', 'output'=>')', 'right_bracket'=>TRUE),
'[' => array( 'input'=>'[', 'tag'=>'mo', 'output'=>'[', 'left_bracket'=>TRUE),
']' => array( 'input'=>']', 'tag'=>'mo', 'output'=>']', 'right_bracket'=>TRUE),
'{' => array( 'input'=>'{', 'tag'=>'mo', 'output'=>'{', 'left_bracket'=>TRUE),
'}' => array( 'input'=>'}', 'tag'=>'mo', 'output'=>'}', 'right_bracket'=>TRUE),
'(:' => array( 'input'=>'(:', 'tag'=>'mo', 'output'=>'&#' . hexdec('2329') . ';', 'left_bracket'=>TRUE),
':)' => array( 'input'=>':)', 'tag'=>'mo', 'output'=>'&#' . hexdec('232A') . ';', 'right_bracket'=>TRUE),
'{:' => array( 'input'=>'{:', 'tag'=>'mo', 'output'=>'{:', 'left_bracket'=>TRUE, 'invisible'=>TRUE),
':}' => array( 'input'=>':}', 'tag'=>'mo', 'output'=>':}', 'right_bracket'=>TRUE ,'invisible'=>TRUE)
);
?>
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