Wikipedia:Historical archive/Earliest sandbox history

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Please only edit below this line:

-prrrr

But can yougfjfgjme what $\sum _{n=0.5}^{\infty /2}{\frac {1}{n^{3}}}$ is?

First, what's ${\frac {\infty }{2}}$? (Are we using $\infty =\aleph _{0}$?)

How does one know when one is half way to infinity?

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Wow ... this looks as though it may go far

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Ok, this is pretty smart!

Failed to parse (unknown function "\fgjfgjfgjfgj"): {\displaystyle \fgjfgjfgjfgj\gamma \delta \epsilon \varepsilon \zeta \eta \theta \vartheta \iota \kappa \lambda \mu \nu \xi o \pi \varpi \rho \gfhjfgjfgj\tau \upsilon \phi \varphi \chi \psi \omega } B = f(PE) $\Gamma \Delta \Theta \Lambda \Xi \Pi \Sigma \Upsilon \Phi \Psi \Omega$

$\aleph \hbar \imath \ell \wp \Re \Im \prime \emptyset \angle \infty \partial \nabla \triangle \forall \exists \neg \top \bot$

$\sum \prod \coprod \int \oint \bigcap \bigcup \bigsqcup \bigvee \bigwedge \bigodot \bigotimes \bigoplus \biguplus$

nice!

$\sum _{k=0}^{n}{2k \choose k}{2(n-k) \choose n-k}=4^{n}$

6,934,740

Hmm...neat...

Sandbox is such a fitting name!

Umm, does this really work?

Wikipedia:Sandbox

wierd help claims it hides namespaces :(

user:anthere

.

TESTING TESTING!