One nice thing about LaTeX on Mac is a little program called LaTeXiT. You can put in your equation alone and then the program produces a .png image of the equation – great for quickly adding to a document, the power of LaTeX with the speed of Word/Pages
Downside is you need to install the whole LaTeX library to use LaTeXiT, so if you have no other need beyond simple equations you may not want to give away nearly 2GB of HDD space

Simon

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