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Just testing out some Latex since I've never really used it before!

$t=\frac {\bar{x}-\mu}{s/sqrt{n}$

$7.77 \pm 1.984\left(\frac{2.28956}{\sqrt{100}}\right)$

$(7.316,8.224)$

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• 3 weeks later...
[tag]f(x)=int_{-infty}^xfrac{(e^{-t^2})}{sqrt{pi^x}}dt[/tag]

[tag] f(x)=int_{-infty}^xfrac{(e^{-t^2})}{sqrt{pi^x}}dt [/tag]

I think i'm missing somethe here?

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You don't use [tag], you use THE tags latex and /latex

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Thanks I'll try one more time! :eek_big:

$f(x)=\int_{-\infty}^x\frac{(e^{-t^2})}{\sqrt{\pi^x}}dt$

Thanks: I think I've got it now. :doh:

RED

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• 3 months later...
• 4 weeks later...

A Feynman diagram, without the pretty wavy line...

$setlength{unitlength}{1mm} begin{picture}(0, 0) put(10, 20){ makebox(3,0)[cc]{gamma} vector(1,0){10} } put(24, 20){ vector(2,1){10} } put(24, 20){ vector(2,-1){10} } put(35, 25){ makebox(3,0)[cc]{e^-} vector(2,-1){10} } put(35, 15){ makebox(3,0)[cc]{e^+} vector(2,1){10} } put(50, 20){ makebox(3,0)[cc]{gamma} vector(1,0){10} } end{picture}$

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please use the the math tags....

instead of $-1=e^{\Pi i}$

$-1=e^{\pi i}$

use $-1=e^{\Pi i}$

$-1=e^{\pi i}$

distinct advantages of the second over the first are:

you can now click on the expression to see the code

you can notice better rendering and space management

you can now do a load more with this then you were able to with latex... you can do stuff like this:

$I(z) = \sin( \frac{\pi}{2} z^2 ) \sum_{n=0}^\infty\frac{ (-1)^n \pi^{2n} }{1 \cdot 3\cdots (4n + 1) } z^{4n + 1}-\cos( \frac{\pi}{2} z^2 ) \sum_{n=0}^\infty\frac{ (-1)^n \pi^{2n + 1} }{1 \cdot 3\cdots (4n + 3) } z^{4n + 3}$

$\setlength{\unitlength}{1mm} \begin{picture}(60, 40) {\put(30, 20){\vector(1, 0){30}}} {\put(30, 20){\vector(4, 1){20}}} {\put(30, 20){\vector(3, 1){25}}} {\put(30, 20){\vector(2, 1){30}}} {\put(30, 20){\vector(1, 2){10}}} \thicklines \put(30, 20){\vector(-4, 1){30}} \put(30, 20){\vector(-1, 4){5}} \thinlines \put(30, 20){\vector(-1, -1){5}} \put(30, 20){\vector(-1, -4){5}} \end{picture}$

i gotta go find if i can enable the pst-plot module.... that would be interesting

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• 2 months later...
• 5 months later...

frac{dy}{dy} = fract {9}{32} (x^2 -4x)

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frac{dy}{dy} = fract {9}{32} (x^2 -4x)

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$\frac{dy}{dy} = \fract {9}{32} (x^2 -4x)$

doesn't parse correctly due to the unrecognized element "fract":

$\frac{dy}{dy} = \fract {9}{32} (x^2 -4x)$

$\frac{dy}{dy} = \frac{9}{32} (x^2 -4x)$

renders as:

$\frac{dy}{dy} = \frac{9}{32} (x^2 -4x)$

There's also an older tag, [math], but it renders less nicely, and supports less LaTeX than the [math] tag.

Using LaTeX in your posts shows attention to detail, which will win the admiration of your peers! :)

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