SummaryIn this paper, we explore Mad Veterinarian scenarios. We show how these recreational puzzles naturally give rise to semigroups (which are sometimes groups), and we point out a beautiful, ...

A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation.

The graphing mode is the first open-sourced suggestion to be chosen. It was Microsoft engineer Dave Grochocki’s idea, who suggested that students could use the graphing feature to study algebra.