It allows you to type in a LaTeX expression and it generates a .gif file for you.
You can also use the following url to generate LaTeX notations on the fly:
http://latex.codecogs.com/format.latex?equation
where format is the ouput-format and equation is the the actual expression.
These are the available formats:
- gif
- png
- swf
- emf
- svg
Here is an example with the following expression (format: gif) :
A=4r\int_0^r \sqrt {1-\frac{x^2}{r^2}}\, dx = 4r\int_0^{\pi/2} r\sqrt{1-\sin^2 \theta} \cos \theta\, d\theta
generates this:
