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# Using Latex in the Forum

Now you can use latex on this forum.

We are using the plugin WP_Katex for write latex in the posts. For writing you need to use latex shortcode as shown in the picture.

Inside of that shortcode if I put,

(a+b)^2 + \frac{a}{b} = a^2 + 2\times a\times b + b^2 + \frac{a}{b}

it will turn into,

$(a+b)^2 + \frac{a}{b} = a^2 + 2\times a\times b + b^2 + \frac{a}{b}$

If you need a simple guide for the commands on latex, you may find this guide from Rice University helpful for basic math commands.

Let's see one last example,

Inside of the latex shortcode, if you put,

tan(\theta) = \frac{3}{5} \Rightarrow \theta = tan^{-1} \frac{3}{5} \therefore \theta = 14.31^{\circ}

it will turn into,

$tan(\theta) = \frac{3}{5} \Rightarrow \theta = tan^{-1} \frac{3}{5} \therefore \theta = 14.31^{\circ}$

Wish you good luck with Latex. If you have any problem using latex, you can comment here or ask questions in 'General Discussion'.  🙂

P.S.: You can always write equations or figure in a paper, take a picture and upload it into the forum, if you feel uncomfortable in latex.