ΔγΦ
]]>∀ ∠ ∃ θ
]]>π ≈ 22/7 works for me, although 355/133 is a much better estimate.
Anyway, it's a very useful addition. It's much better than just copying and pasting from the top, and we have more symbols to choose from too.
]]>To make any of these work, put a ":" in front of the text.
alpha=α and=∧ ang=∠ asymp=≈ beta=β bull=• cap=∩ cong=≅ cup=∪ deg=° Delta=Δ delta=δ divide=÷ empty=∅ epsilon=ε equiv=≡ exist=∃ fnof=ƒ forall=∀ frac12=½ frac14=¼ frac34=¾ gamma=γ ge=≥ harr=↔ hArr=⇔ infin=∞ int=∫ isin=∈ lambda=λ laquo=« larr=← lArr=⇐ le=≤ mu=μ nabla=∇ ne=≠ ni=∋ notin=∉ nsub=⊄ omega=ω oplus=⊕ otimes=⊗ part=∂ Phi=Φ pi=π plusmn=± prime=′ Prime=″ prod=∏ prop=∝ radic=√ raquo=» rarr=→ rArr=⇒ rho=ρ Sigma=Σ sigma=σ sim=∼ sube=⊆ sub=⊂ sum=∑ sup1=¹ sup2=² sup3=³ supe=⊇ sup=⊃ tau=τ there4=∴ theta=θ times=× xi=ξ zeta=ζ
I also did a trick with some of them, for example "pi" looks a lot more like pi really does (π vs π) because I used a different font for it.
Thanks ryos for the great idea.
Example usage:
π ≅ 22 ÷ 7
:pi :cong 22 :divide 7
I can't think how replacing :blah with &blah could be used for hacking, but that could be because I'm not a hacker.
At the moment I have about 60 symbols I want to apply this "smiley" thing to, and I have done some timing, and it can do the find/replace in under a millisecond. I think a millisecond overhead per post is OK.
]]>Couldn't you just zap the & literalizer? What I mean is, when I type Δ, the forum software converts it to Δ.
Well, there must be some benefit to the & literalizer. Maybe you could just check for a ; within 10 chars or so to decide whither to literalize or not.
]]>It would be something like typing Δ to produce Δ
(BTW We do have a functioning "math" tag that uses LaTeX code, but for a lot of things these characters work well.)
]]>Do we have [sup]sup[/sup] and [sub]sub[/sub] tags?
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