A very useful tool for writing LaTeX when you are often switching locations is ShareLatex. You can write LaTeX in your browser. It allows collaboration too, similar to Google Docs.

https://www.sharelatex.com?r=890185d4&rm=d&rs=b ( <- referral link, a referred user enables me to add more collaborators to my projects. Here's a non referral URL: https://www.sharelatex.com)