HTML小工具

一般可能用的到的符号代码：

符号	HTML	符号	HTML
	 	&	&
<	&lt;	>	&gt;
⁄	&frasl;	"	&quot;
¸	&cedil;	°	&deg;
½	&frac12;	¼	&frac14;
¾	&frac34;	«	&laquo;
»	&raquo;	¯	&macr;
‰	&permil;	•	&bull;
…	&hellip;	″	&Prime;
′	&prime;	‾	&oline;
←	&larr;	→	&rarr;
↑	&uarr;	↔	&harr;
↓	&darr;	⇑	&uArr;
⇓	&dArr;	⇔	&hArr;
−	&minus;	∗	&lowast;
÷	&divide;	ˆ	&circ;
¦	&brvbar;	√	&radic;
∞	&infin;	∠	&ang;
∧	&and;	∨	&or;
∩	&cap;	∪	&cup;
≠	&ne;	≡	&equiv;
≤	&le;	≥	&ge;
⊂	&sub;	⊃	&sup;
⊄	&nsub;	⊆	&sube;
⊇	&supe;	α	&alpha;
β	&beta;	γ	&gamma;
π	&pi;	θ	&theta;
ƒ	&fnof;	Δ	&Delta;
∇	&nabla;	Θ	&Theta;
∴	&there4;	©	&copy;
¤	&curren;	⊕	&oplus;
⊗	&otimes;