<a href="http://www.codecogs.com/eqnedit.php?latex=\frac{\delta y}{\delta x}=\lim_{\delta \rightarrow o} \frac{f(x@plus;\delta x)- f(x)}{\delta x}" target="_blank"><img src="http://latex.codecogs.com/gif.latex?\frac{\delta y}{\delta x}=\lim_{\delta \rightarrow o} \frac{f(x+\delta x)- f(x)}{\delta x}" title="\frac{\delta y}{\delta x}=\lim_{\delta \rightarrow o} \frac{f(x+\delta x)- f(x)}{\delta x}" /></a>
Does this one work with most things
Does this one work with most things