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# [Sticky] How to write math equations, symbols and chemical formulae on the forum [LaTeX Tutorial]

Posts: 715
Topic starter
(@zeeshan)
Honorable Member
Joined: 2 years ago

We have enabled latex on the forum. This means you are able to write formulas and equations on our forum.

To do so, you have to put your LaTeX code in between latex tags, like the following:

If you want to write a quadratic equation, you would write it like this:

Which outputs this:

$x^2 + 5x + 6 = 0$

====================================================

You can also write fractions in latex.

Will give you this:

$\frac{1}{2}$

You can even write things like this

$\frac{x}{2+\frac{x}{2-\frac{x}{3}}}$

====================================================

Subscripts also work, so this:

Would give this

$O_{2}$

Which can eventually look like this

$6CO_{2(g)} + 6H_{2}O_{(l)} > C_{6}H_{12}O_{6(s)} + 6O_{2(g)}$

====================================================

Clicking preview before you post the latex code is also useful as you will see what your code looks like

4 Replies
Posts: 718
(@m-tawofi)
Honorable Member
Joined: 2 years ago

That's actually so helpful.

What about chemical formulae (e.g. O2)

(@zeeshan)
Joined: 2 years ago

Honorable Member
Posts: 715

@m-tawofi

Yeah, here's how subscripts work

This:

Would give this

$O_{2}$

Which can eventually look like this

$6CO_{2(g)} + 6H_{2}O_{(l)} > C_{6}H_{12}O_{6(s)} + 6O_{2(g)}$

Posts: 15
(@alisamifarooq)
Active Member
Joined: 11 months ago

Wow, its really amazing , thank you, it is best option to describe things. ~ Ali Sami Farooq

Posts: 1
(@darikelwan)
New Member
Joined: 9 months ago

that is very helpful for every student , thanks for this facility ~ Darik Elwan

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