laptop for writing equations

<p>For math equations on a laptop, you have three choices:</p>

<ul>
<li><p>LaTeX: a typsetting program for math and scientific publications.
<a href=“http://www.latex-project.org/[/url]”>http://www.latex-project.org/&lt;/a&gt;&lt;/p&gt;&lt;/li&gt;
<li><p>Mathematica: a math and science program that both prints and solves equations on a regular laptop or desktop.
<a href=“Wolfram Mathematica: Modern Technical Computing”>Wolfram Mathematica: Modern Technical Computing;
<li><p>Xthink’s Mathjounal: Designed for a Tablet PC, a math program that allows a user to write down formulas and equations on his Tablet screen and provides you with a solution.
<a href=“http://www.xthink.com/[/url]”>http://www.xthink.com/&lt;/a&gt;&lt;/p&gt;&lt;/li&gt;
</ul>

<p>Or pencil and paper.</p>