The Department of Mathematics is in the process of returning to Building 2 following two and a half years of renovations. The Main Group turns 100 this year. Tristan Honscheid—The Tech May. 9, 2016 Facebook Twitter Reddit Print The Department of Mathematics is in the process of returning to Building 2 following two and a half years of renovations. The Main Group turns 100 this year. Tristan Honscheid—The Tech