I came across a great little tip on David Bau’s blog today about using Wolfram Alpha to create quick GIF images of mathematical formulae to be included in a blog. For example, by typing “integrate sin x dx from x=0 to pi” into the Wolfram Alpha search box, you’re presented with both of graph of the curve as well as a typeset version:

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I’ve written a few times about using LaTeX in Wordpress, but this is certainly an easy way to include typeset equations in a blog. I’m not sure why this hadn’t occurred to me when I first started playing with Wolfram Alpha, but I suppose that’s why people like David write great tips like this!

graphics into the blog. I’d like to thank ![\pi = \sum _{k=0} ^{\infty} \dfrac{1}{16^k} \left[\dfrac{4}{8k+1}-\dfrac{2}{8k+4}-\dfrac{1}{8k+5}-\dfrac{1}{8k+6}\right] \pi = \sum _{k=0} ^{\infty} \dfrac{1}{16^k} \left[\dfrac{4}{8k+1}-\dfrac{2}{8k+4}-\dfrac{1}{8k+5}-\dfrac{1}{8k+6}\right]](/latexrender/pictures/39f6d1160a5dc4b74aeb55fa063bdf58.gif)