. I have twice been a TA for Astro 10 at Berkeley, for Don Goldsmith in fall 2000 and for Gibor Basri in spring 2001. Here's a partial collection of Astro 10 related stuff: . All the Math You'll Ever Need for Astronomy , a review sheet. [pdf] . A Guide to Solving Ratio Problems . Why don't we get eclipses every month? [graphic] . Gibor's Astro 10 Home Page, Syllabus, and Course Notes . Gibor's Practice Final, and Answers. Astro 10 Questions and Answers [in progress]