William L. Briggs has been on the mathematics faculty at the University of Colorado at Denver for 22 years. He teaches numerous courses within the undergraduate and graduate curriculum, and has special interest in teaching calculus, differential equations, and mathematical modeling. He developed the quantitative reasoning course for liberal arts students at University of Colorado at Denver supported by his textbook *Using and Understanding Mathematics*. He has written 2 other tutorial monographs, *The Multigrid Tutorial* and *The DFT: An Owner's Manual for the Discrete Fourier Transform*, as well as *Ants, Bikes, Clocks, a mathematical problem-solving text for undergraduates*. He is a University of Colorado President's Teaching Scholar, an Outstanding Teacher awardee of the Rocky Mountain Section of the MAA, and the recipient of a Fulbright Fellowship to Ireland. Bill lives with his wife, Julie, and their Gordon Setter, Seamus, in Boulder, Colorado. He loves to bake bread, run trails and rock climb in the mountains near his home. Source: [About the Author](https://www.amazon.com/Using-Understanding-Mathematics-Quantitative-Reasoning/dp/0134705181/ref=sr_1_3?qid=1701753040&refinements=p_27%3AJeffrey+Bennett&s=books&sr=1-3&text=Jeffrey+Bennett)