ASCII Index and Supplemental Symbols

Sample  Use this: Name or:Character Code
<&lt; 
>&gt; 
 &nbsp;&#160;
©&copy;&#169;
®&reg;&#174;
°&deg;&#176;
±&plusmn;&#177;
&sup;
&sub;
²&sup2;&#178;
³&sup3;&#179;
µ&micro;&#181;
·&middot;&#183;
¼&frac14;&#188;
½&frac12;&#189;
¾&frac34;&#190;
×&times;&#215;
÷&divide;&#247;
Π      
π
 
Σ
σ
 
Δ
δ
 
Ε
ε
 
α
β
γ
ζ
η
θ
ρ
ς
&#928; -- is capital pi
&#960; -- greek small letter pi
 
&#931; -- Sigma
&#963; -- greek small letter sigma
 
&#916; -- greek capital letter delta
&#948; -- greek small letter delta,
 
&#917; -- greek capital letter epsilon
&#949; -- greek small letter epsilon,
 
&#945; -- greek small letter alpha
&#946; -- greek small letter beta
&#947; -- greek small letter gamma
&#950; -- greek small letter zeta
&#951; -- greek small letter eta
&#952; -- theta
&#961; -- greek small letter rho
&#962; -- greek small letter final sigma


    Heights may be adjusted to suit the use. For example:
<img src="//www.mathnstuff.com/gif/sqrt.gif">
<img src="//www.mathnstuff.com/gif/sqrt.gif" height="15">

Sample    Code for this:
<img src="//www.mathnstuff.com/gif/graydot.gif">
<img src="//www.mathnstuff.com/gif/bigdot.gif">
<img src="//www.mathnstuff.com/gif/sqrt.gif">
<img src="//www.mathnstuff.com/gif/pi.gif">
<img src="//www.mathnstuff.com/gif/alpha.gif">
<img src="//www.mathnstuff.com/gif/infin.gif">
<img src="//www.mathnstuff.com/gif/angle.gif">
<img src="//www.mathnstuff.com/gif/beta.gif">
<img src="//www.mathnstuff.com/gif/bigsig.gif">
<img src="//www.mathnstuff.com/gif/delta.gif">
<img src="//www.mathnstuff.com/gif/phat.gif">
<img src="//www.mathnstuff.com/gif/chi.gif">
<img src="//www.mathnstuff.com/gif/rho2.gif">
<img src="//www.mathnstuff.com/gif/rho.gif">
<img src="//www.mathnstuff.com/gif/sigma.gif">
<img src="//www.mathnstuff.com/gif/theta.gif">
<img src="//www.mathnstuff.com/gif/congr.gif">
<img src="//www.mathnstuff.com/gif/about.gif">
<img src="//www.mathnstuff.com/gif/plminus.gif">
<img src="//www.mathnstuff.com/gif/ntequal.gif">
<img src="//www.mathnstuff.com/gif/into.gif">
<img src="//www.mathnstuff.com/gif/arrowup.gif">
<img src="//www.mathnstuff.com/gif/arrowdn.gif">
<img src="//www.mathnstuff.com/gif/arrowr.gif">
<img src="//www.mathnstuff.com/gif/arrowl.gif">
<img src="//www.mathnstuff.com/gif/xbar.gif">
<img src="//www.mathnstuff.com/gif/integr.gif">
<img src="//www.mathnstuff.com/gif/br1.gif">
<img src="//www.mathnstuff.com/gif/br2.gif">
<img src="//www.mathnstuff.com/gif/and.gif">
<img src="//www.mathnstuff.com/gif/or.gif">
<img src="//www.mathnstuff.com/gif/union.gif">
<img src="//www.mathnstuff.com/gif/inters.gif">
<img src="//www.mathnstuff.com/gif/elemof.gif">
<img src="//www.mathnstuff.com/gif/box.gif">

See: HTML 4.0 specification.

Mathematical Operators	------------------------------- & needed!
∫ -- integral #8747;

∴ -- therefore #8756;
∀ -- for all #8704;
∂ -- partial differential #8706;
∇ -- backward difference  #8711;
∏ -- n-ary product = product sign #8719;
∑ -- n-ary sumation #8721;
− -- minus sign #8722;
∗ -- asterisk operator #8727;
√ -- square root #8730;
∝ -- proportional to #8733;
∞ -- infinity #8734;
∠ -- angle #8736;

∧ -- logical and #8743;
∨ -- logical or #8744;
∩ -- intersection #8745;
∪ -- union #8746;
∈ -- element of #8712;
∉ -- not an element of #8713;
∋ -- contains as member #8715;
∃ -- there exists #8707;
∅ -- null set #8709;
⊂ -- subset of #8834;
⊃ -- superset of #8835;
⊄ -- not a subset of #8836;
⊆ -- subset of or equal to #8838;
⊇ -- superset of or equal to #8839;

∼ -- tilde operator #8764;

≅ -- approximately equal to #8773;
≈ -- almost equal to  #8776;
≠ -- not equal to #8800;
≡ -- identical to #8801;
≤ -- less-than or equal to #8804;
≥ -- greater-than or equal to #8805;


⊕ -- circled plus = direct sum #8853;
⊗ -- circled times = vector product  #8855;
⊥ -- up tack = orthogonal to = perpendicular  #8869;
⋅ -- dot operator #8901;

⌈ -- left ceiling #8968;
⌉ -- right ceiling #8969;
⌊ -- left floor #8970;
⌋ -- right floor #8971;
〈 -- left-pointing angle bracket #9001;
〉 -- right-pointing angle bracket #9002;

◊ -- lozenge #9674;
♠ -- black spade suit #9824;
♣ -- black club suit = shamrock #9827;
♥ -- black heart suit = valentine #9829;
♦ -- black diamond suit #9830;	

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