User:Luístro/sandbox


 * My sandbox is empty,except for this
 * This folder is empty, but so it will not exist, because it has a hidden file with the folder name and file number

$$\underbrace{ \lVert prod\textstyle \sum_{k=1}^N \displaystyle \lfloor \infin \rceil \begin{cases} 3x + 5y + z \\ 7x - 2y + 4z \\ -6x + 3y + 2z \end{cases} \rVert

\nabla\psi\operatorname{d}\!y/\operatorname{d}\!x{\partial^2\over\partial x_1\partial x_2}y\propto \begin{alignat}{2} f(x) & = (a+b)^2 \\ & = a^2+2ab+b^2 \\ \end{alignat}

}_{{{}_pF_q\left({a_1, \ldots, a_p \atop b_1, \ldots, b_q}; z\right) \ggg \infty + 1 \nleqslant \textstyle \sum_{k=1}^N \displaystyle \theta \over\partial x_1\partial x_2} \Longrightarrow \begin{array}{|c|c|c|} a & b & S \\ \hline 0&0&1\\ 0&1&1\\ 1&0&1\\ 1&1&0\\ \end{array} } $$