I've been a professor of mathematics here in Gainesville for about 15 years; teaching primarily at Santa Fe College and the University of Florida. In that time I've had the pleasure of teaching students from a wide range of backgrounds; from middle school and high school dual-enrollment students to men and women in their 50's and 60's coming back to complete a degree. I've taught the full range of classes in mathematics from basic arithmetic and algebra all the way to calculus. And the one th...