Instructor: Leticia Mattos Office: 243 CAB Study Section: Tuesday 8:00 — 10:00 a.m. (258/269 CAB) Office hours: Tuesday 5:00 — 6:00 p.m. (258/269 CAB) email: lmattos at illinois dot edu Sections: D13 and X13 Where: Sidney Lu Mechanical Engineering Building, room 3101 When: MWF 11:00 — 11:50 p.m. (D13) and 12:00 — 12:50 pm (X13) … Continue reading MATH 413 — Introduction to Combinatorics