<p>LaTeX</p>
<p>[LaTeX</a> project: LaTeX – A document preparation system](<a href=“http://www.latex-project.org/]LaTeX”>http://www.latex-project.org/)</p>
<p>You’ll have to learn the program really well to take notes in it though, and you still won’t be able to draw the graphs and drawings you’ll need. If you want your notes on your laptop, handwriting on a tablet is the best option. You’ll also be able to type for the few non-math/sci courses you take.</p>