Project:Sandbox

Just trying MathJax here on MediaWiki $$r = \sqrt {{x^2} + {y^2}} $$. Hmm. That's not MathJax. Trying it again with MathType's Wikipedia translator, which should work here: $$r=\sqrt{{{x}^{2}}+{{y}^{2}}}$$. Ahh. Once I turned MathJax on via my Preferences, it works! Here's one $$d=\sqrt{{{({{x}_{2}}-{{x}_{1}})}^{2}}+{{({{y}_{2}}-{{y}_{1}})}^{2}}}$$ and another
 * $$\left[ \begin{matrix}

1 & 2 & 3 \\   4 & 5 & 6  \\ \end{matrix} \right]\cdot \left[ \begin{matrix} 1 & 1 \\   2 & 2  \\   3 & 3  \\ \end{matrix} \right]=\left[ \begin{matrix} 14 & 14 \\   32 & 32  \\ \end{matrix} \right]$$ Drag and drop should work as well. Let's try it... $$\sum\nolimits_{n=1}^{N}{\frac{1}{n\cdot \left( n+1 \right)\cdot \left( n+2 \right)\cdot \left( n+3 \right)}}$$. Yep. Worked. Ok, one more thing -- the MediaWiki translator. Here's inline $$d=\sqrt{{{({{x}_{2}}-{{x}_{1}})}^{2}}+{{({{y}_{2}}-{{y}_{1}})}^{2}}}$$ and display
 * $$x=\frac{-b\pm \sqrt{{{b}^{2}}-4ac}}{2a}$$

Ok, that's about it.

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non-numeric

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