I wish I had this calculator back in Irene LaFrentz's Geometry class.
She was this Alsatian martinet type who had decided that each equation or proof had a specific number of steps (she would not tell us how many), and that we had to solve her problems in that number of steps. She also insisted that a rectangle had to be drawn around the correct answer, which had to be rounded off to two decimal points.
I was adequate at getting the answers, but the number of steps was a najor problem. Usually I had one more or one fewer than her ideal number, and my rectangles were occasionally rhomboidal or ovals.
