In the spring of 2021, I teach MAP2302 sections 022H, 9873 – Elementary Differential Equations (syllabus) and MHF4102-0822,7102,1105,7101(26746,28584,26748,28583) – Elements of Set Theory (syllabus). The webpages of these courses are on Canvas and there will be no updates for them here. My office hours are MWF 3rd period, 9:35–10:25am at this zoom address.