Free Math Tutoring - Ossining Public Library Date: 11/07/11 through 11/28/11 Hours: 7-8:30pm Ages: TW,TE Address: 53 Croton Avenue - 914-941-2416 Ossining, NY 10562 www.ossininglibrary.org Description: Students in grades 6 and up will demystify differential equations and tackle tricky trigonometry with certified math tutors. Please bring homework assignments and problem sets to each session. In the 2nd-floor conference room. Call x336 for more information. Mondays, November 7, 14, 21, 28.