50 replies
This is just (another) silly idea to see how long it takes to get 50 unique members to post to a thread.
The rules:[LIST=1][*]Post an interesting math snippet, using the forum's math rendering engine.[*]Watch the thread.[*]Profit![/LIST]You may only post once in this thread. If you post a second time it will be deleted. [tex]\red\fs2 1\:+\:1\:=\:2[/tex] 
[TEX]e^{i\pi}=1[/TEX]

[tex]B_m=\sum_{k=0}^m\sum_{v=0}^k(1)^v {k \choose v} \frac{v^m}{k+1}[/tex]
Note: \binom doesn't work in your renderer! 
IMO, this thread should be deleted.

One of my favorites, 5 mathematical constants in one equation:
[tex]\blue\fs5 e^{(\pi*i)}\:+\:1\:=\:0[/tex] And since that one is already taken, I've seen funny tshirts like: [tex]\green\fs5 \int_{10}^{13} 2x\,dx[/tex] [tex]\red\fs5 \int \frac{1}{cabin}\,dcabin = \log cabin[/tex] Or, here's a dangerous one: [tex]\blue\fs5 2^{\aleph_0} = \aleph_1[/tex] 
[tex]\left\pi\frac{355}{113}\right<10^{6}
[/tex] 
[quote=10metreh;188075]IMO, this thread should be deleted.[/quote]
Because there's no place for silliness in this world? Excellent point there. Allow me to not invite you out for drinks anytime soon [tex]y(x) = (ax +b)^2  n[/tex] 
[QUOTE=Xyzzy;188060]Post an interesting math snippet, using the forum's math rendering engine.[/QUOTE]Note to others: This only works if you allow JS. I don't got any of that JS stuff so ...
a=b a^2=ab a^2b^2=abb^2 (a+b)(ab)=b(ab) a+b=b 2b=b 2=1 
[quote=retina;188118]Note to others: This only works if you allow JS. I don't got any of that JS stuff so ...
a=b a^2=ab a^2b^2=abb^2 (a+b)(ab)=b(ab) a+b=b 2b=b 2=1[/quote] Actually, you can still use the rendering engine; just enclose the text to be rendered in [noparse][tex][/noparse] tags. That's all the little JS button does anyway. :smile: Heck, I rarely use the buttons anyway even though I have JS enabled. As an example, here's your little snippet rendered with the rendering engine, without the help of any JS buttons. :wink: [tex]a=b[/tex] [tex]a^2=ab[/tex] [tex]a^2b^2=abb^2[/tex] [tex](a+b)(ab)=b(ab)[/tex] [tex]a+b=b[/tex] [tex]2b=b[/tex] [tex]2b=b[/tex] [tex]2=1[/tex] One thing to note is that it seems you need to enclose each individual line of a multiline selection, or else everything gets run together as one line. 
[tex]\pi\neq4[/tex]

[quote=bsquared;188081]Because there's no place for silliness in this world? Excellent point there. Allow me to not invite you out for drinks anytime soon
[/quote] I endorse this sentiment. It gives me a reason to be cheerful for living at the end of Buckinghamshire opposite to the Chilterns. It only just occurred to me that the largest signed 32bit integer is a famous Mersenne prime. [tex]Cheers![/tex] 
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