Math Geek Mom: Turning the Calendar Page

By Rosemarie Emanuele. In math, we sometimes talk about a set having a “boundary” that separates it from items not in the set. For example, the boundary of the United States to the South might be seen as the border with Mexico. I found myself thinking of such boundaries this past week as a heat wave swept through our part of Ohio, when I, almost of necessity, brought my daughter to the public pool most evenings. Read more...