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Thanks kaiserkarl13

That's looking great, thanks a lot!

About the robustness:
\sqrt[3]{\dfrac{3x+1}{2}}
is over reacting a bit, the drop bar looks like overkill ;)

I don't know how the hacking works, but could it be possible to give the drop bar a standard height? So it doesn't grow with the ...

Hi

Some time ago i found the following code on wikipedia:
% New definition of square root:
% it renames \sqrt as \oldsqrt
\let\oldsqrt\sqrt
% it defines the new \sqrt in terms of the old one
\def\sqrt{\mathpalette\DHLhksqrt}
\def\DHLhksqrt#1#2{\setbox0=\hbox{$#1\oldsqrt{#2\,}$}\dimen0=\ht0 ...

Thanks localghost!

Setting the samples value to 500 made it look stunning!

Hi

I have upgraded gnuplot and tikz today, everything works, but the plots are pretty low resolution now.

The following code compiles into:
\begin{tikzpicture}[domain=-4:4, scale=0.75,baseline=(current bounding box.north)]
\draw[very thin,color=gray] (-3.9,-3.9) grid (3.9,3.9);
\draw[-stealth ...