Octave Tutorial Page (This also has directions for installing Octave on a Mac)
Octave for linux should be available in your linux distribution’s repositories.
An online octave system is available here: https://www.verbosus.com/index.html
Note, verbosus also has an online LaTeX system.
MIT Junior Lab Writing Guides Check the links under “Written Summaries”. (The rest of the page has useful information also.)
For LaTeX help, see Links to LaTeX Resources in the main menu.
Zotero – A tool for organizing and capturing online bibliographic info