# LaTeX Syntax Changes

Are you a math teacher that uses the LaTeX syntax to create equations for your boards? (If you don't yet, it's pretty cool and you should check it out!)

## The Problem

Unfortunately, the syntax is messing with some users' boards that just happen to use two (or more) dollar signs in the same question or answer.

For example: If a question reads like this, John had $10 in his pocket, but lost$4 on the playground, the part of the sentence between the dollar signs would attempt to be converted into a LaTeX equation. Bad news.

## The Changes

To remedy the problem, we decided to change the syntax that initiates the LaTeX equation generator. Instead of placing your equation code between single/double dollar signs ("$" or "$\$"), we've created a more deliberate way to trigger these equations using these new wrappers:

• [ltx] for big blocks
• [ltxi] for inline equations.

## How We Use LaTeX Now

So, here is the code for the quadratic equation:

[ltx]x = \frac{{ - b \pm \sqrt {b^2 - 4ac} }}{{2a}}[ltx]

And how it will look on your board questions and answers:

[ltx]x = \frac{{ - b \pm \sqrt {b^2 - 4ac} }}{{2a}}[ltx]

And inline equations can be written like this:

Solve for [ltxi]x[ltxi] if [ltxi]x+8=15[ltxi]

To display like this:

Solve for [ltxi]x[ltxi] if [ltxi]x+8=15[ltxi]

## It Gets Even Better...

As a result of this change, the board search will become more useful as well when trying to locate other boards with LaTeX equations on them. The search feature requires at least 3 characters to search for boards, which the old pattern of two dollar signs did not fulfill. With the new pattern, you will be able to search for [ltx] or [ltxi] to find other boards with LaTeX equations!

Posted in Pro, Site Updates on August 15, 2017
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