Dan Kalman, Prof. Emeritus
American University

Please use one of these links:

Click here for my American University home page.

Social Security Math Problem, MD-DC-VA Spring 2019:  pdf slides + Desmos Graph.

Slides from Newton Cooling in the Attic, JMM 2019:  pdf file or pptx file.

Click here for materials from a presentation on Ellipses at Mathfest 2018.

Click here for information from other talks and colloquia.