Question

Can someone teach me how to write math symbols

Answer 1

This section is filled with tutorials :)
Just have a look at the question list, you will find some.

Answer 2

\(\begin{array}{|c|l|c|l|}
\hline
\large\sf symbol&\sf\large code&\sf\large symbol&\sf\large code\\\hline
\large\leftarrow&\sf\backslash leftarrow&\large\rightarrow&\sf\backslash righttarrow\\\hline
\large\Leftarrow&\sf\backslash Leftarrow&\large\Rightarrow&\sf\backslash Righttarrow\\\hline
\large\longleftarrow&\sf\backslash longleftarrow&\large\large\longrightarrow&\sf\backslash longrighttarrow\\\hline
\large\Longleftarrow&\sf\backslash Longleftarrow&\large\Longrightarrow&\sf\backslash Longrighttarrow\\\hline
\large\leftrightarrow&\sf\backslash leftrightarrow&\large\Leftrightarrow&\sf\backslash Leftrightarrow\\\hline
\large\longleftrightarrow&\sf\backslash longleftrightarrow&\Longleftrightarrow&\sf\backslash Longleftrightarrow\\\hline
\large\uparrow&\sf\backslash uparrow&\large\downarrow&\sf\backslash downarrow\\\hline
\large\leq&\sf\backslash leq&\large\geq&\sf\backslash geq\\\hline
\large\ll&\sf\backslash ll&\large\gg&\sf\backslash gg\\\hline
\large\approx&\sf\backslash approx&\large\neq&\sf\backslash neq\\\hline
\large\pm&\sf\backslash pm&\large\div&\sf\backslash div\\\hline
\large\sum&\sf\backslash sum&\large\infty&\sf\backslash infty\\\hline
\large\diamondsuit&\sf\backslash diamondsuit&\large\heartsuit&\sf\backslash heartsuit\\\hline
\large\triangle&\sf\backslash triangle&\large\Box&\sf\backslash Box\\\hline
\large\LaTeX&\sf\backslash LaTeX&\large\bigstar&\sf\backslash bigstar\\\hline
\end{array}\)

Answer 3

\(\huge\href{ /study#/updates/533962d2e4b0b47fca86c16c}{This\ is\ also\ a\ good\ place\ to\ start\ :3}\)

Answer 4

@mrrodriguez