I am currently working on a project, where I am creating web based resources (using Moodle) to teach maths. As part of this process, I need to create properly laid out formulas (or formulae if you prefer the alternate acceptable plural of formula). We are using what is becoming a widely accepted standard of MathJax which in turn supports the use of something called LaTex to create the desired formulas. So for example if I wanted to create something that looked like:

I would enter this into the editor using the code:

$$y = 3x^{2}+5x+\frac{2}{3}$$

or

\[y = 3x^{2}+5x+\frac{2}{3}\]

At first I started to learn the exact syntax and would translate what I wanted into either of the codes above. This proved to be both time consuming and prone to mistakes. Then I discovered an excellent website that helps me do this:

https://www.codecogs.com/latex/eqneditor.php

This website gives me a box into which I construct the equation that I want – above the box is a huge suite of grey buttons which each represent a different mathematical function or options. These take a bit of time to learn, but quite quickly one gets the hang of this, and using the buttons and adding the numbers / letters that you require you can quite quickly create the desired formula that you want. Underneath the white box, your formula is displayed as it will appear, so it is possible to see what you are doing, and check that this is correct.

Once you are happy with what you have created, at the bottom of the screen (in a cream coloured box) is the option to choose the export style that you want – so if you need LaTex, you choose that, if embedding into WordPress, you choose WordPress etc. You then copy the code beneath this, and paste into the editor of whatever you are using.

One of the facilities within the editor, is to create correctly aligned equations:

Which in LaTex is created with the code:

\[\begin{align*} x+3 &= 7\\ x &= 7-3\\ x &= 4 \end{align*}\]

This is very hard to manually write out, but quite easy using the codecogs website. The button for this, is the bottom right button on toolbar (letters n and r in brackets) – then under that is a button that has “y=…” as the text, and when you hover over it, it tells you that it is the align tool.

For anyone who is using mathematical formulas regularly this is a really neat tool.

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## Published by davefoord

Dave is an experienced FE and HE lecturer, who during his years of teaching (at Loughborough College), developed and perfected many techniques for providing high quality, innovative, and differentiated learning. Some of his best known work is in the area of ILT (e-learning) - using technology to enhance the learning experience. It is in this area that he has considerable experience and knowledge, and has received National recognition for his practical understanding and skills in this area of work. Dave has run over 1000 staff development sessions on over 100 different learning and teaching topics at Loughborough College, The University of Derby and since going free-lance. All of his sessions are very active, engaging sessions using a variety of different techniques.
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