User:Hailong.Chen

Hi, I'm a newbie...

What You See Is What You Get.


 * {| style="width:100%" border="0"

$$\displaystyle
 * style="width:92%; padding:10px; border:2px solid #000000" |
 * style="width:92%; padding:10px; border:2px solid #000000" |

\frac{\partial \color {red} w}{\partial x}+\frac{\partial \color {red} w}{\partial y}=2xy

$$
 * }

$$\frac{\partial^2 y}{\partial x^2}$$

$$\left( {\begin{array}{*{20}{c}} && \\   && \\   && \end{array}} \right)$$

$$\mu :={{\left( \frac{{{\upsilon }^{3}}}{\varepsilon } \right)}^{1/4}}$$