## Math editing with TeX

When I choosed the hosting for this web site one of the critera was the math notation feature. For sure not all the math formulas can be described in words, so the possibility to write formulas is strongly needed. After a quich Google search I found that wordpress supports same notation for math formulas as Wikipedia.

Here are some basic examples:

-Pitagora theorem:

$a^2+b^2=c^2$

-Infinite sum, or Taylor expansion of exponential at origin:

$\sum_{n=0}^\infty \frac{x^n}{n!}$

-Roots of single variable quadratic equation:

$\pm \sqrt{b^2 - 4ac} \over 2a$

Note that the formulas are actually send as images to your browser. Mainly a TeX script is parsed on the server side and an image is generated and embeded in HTML document.

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