Entities for Symbols and Greek Letters

The following table gives the character entity reference, decimal character reference, and hexadecimal character reference for symbols and Greek letters, as well as the rendering of each in your browser.

Character	Entity	Decimal	Hex	Rendering in Your Browser
				Entity	Decimal	Hex
Latin small f with hook = function = florin	ƒ	ƒ	ƒ	ƒ	ƒ	ƒ
Greek capital letter gamma	Γ	Γ	Γ	Γ	Γ	Γ
Greek capital letter delta	Δ	Δ	Δ	Δ	Δ	Δ
Greek capital letter theta	Θ	Θ	Θ	Θ	Θ	Θ
Greek capital letter lambda	Λ	Λ	Λ	Λ	Λ	Λ
Greek capital letter pi	Π	Π	Π	Π	Π	Π
Greek capital letter sigma	Σ	Σ	Σ	Σ	Σ	Σ
Greek capital letter phi	Φ	Φ	Φ	Φ	Φ	Φ
Greek capital letter omega	Ω	Ω	Ω	Ω	Ω	Ω
Greek small letter alpha	α	α	α	α	α	α
Greek small letter beta	β	β	β	β	β	β
Greek small letter gamma	γ	γ	γ	γ	γ	γ
Greek small letter delta	δ	δ	δ	δ	δ	δ
Greek small letter epsilon	ε	ε	ε	ε	ε	ε
Greek small letter zeta	ζ	ζ	ζ	ζ	ζ	ζ
Greek small letter eta	η	η	η	η	η	η
Greek small letter theta	θ	θ	θ	θ	θ	θ
Greek small letter iota	ι	ι	ι	ι	ι	ι
Greek small letter kappa	κ	κ	κ	κ	κ	κ
Greek small letter lambda	λ	λ	λ	λ	λ	λ
Greek small letter mu	μ	μ	μ	μ	μ	μ
Greek small letter nu	ν	ν	ν	ν	ν	ν
Greek small letter xi	ξ	ξ	ξ	ξ	ξ	ξ
trade mark sign	™	™	™	™	™	™
leftwards arrow	←	←	←	←	←	←
upwards arrow	↑	↑	↑	↑	↑	↑
rightwards arrow	→	→	→	→	→	→
downwards arrow	↓	↓	↓	↓	↓	↓
left right arrow	↔	↔	↔	↔	↔	↔
n-ary product = product sign	∏	∏	∏	∏	∏	∏
n-ary sumation	∑	∑	∑	∑	∑	∑
minus sign	−	−	−	−	−	−
asterisk operator	∗	∗	∗	∗	∗	∗
square root = radical sign	√	√	√	√	√	√
proportional to	∝	∝	∝	∝	∝	∝
infinity	∞	∞	∞	∞	∞	∞
intersection = cap	∩	∩	∩	∩	∩	∩
union = cup	∪	∪	∪	∪	∪	∪
integral	∫	∫	∫	∫	∫	∫
almost equal to = asymptotic to	≈	≈	≈	≈	≈	≈
not equal to	≠	≠	≠	≠	≠	≠
identical to	≡	≡	≡	≡	≡	≡
less-than or equal to	≤	≤	≤	≤	≤	≤
greater-than or equal to	≥	≥	≥	≥	≥	≥
Angle sign	Ð	None	<FONT FACE="Symbol">&#208;</FONT>	None

To get to the power write inbetween  ex. 2 to the power 3 = 2³(the code 2 to the power 3 = 2³ )
Similarly for base use "sub" instead of "sup" i.e write inbetween  ex. 2₃(the code = 2₃ )
Use <pre style="font: normal 12px verdana;"> for any prediend format
or chk http://www.univie.ac.at/future.media/moe/formeln/index.html