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it features tight integration of text and graphics, which reduces skipping back and forth; and  it implements margin notes, which we use for quick reminders of mathematical formulae and side remarks. Figure~\ref{fig:sample-handout-page} displays a sample page from the notes on coordinate systems. Sketches for the handout were made on an iPad using the \href{https://evernote.com/penultimate/}{Penultimate} app.     As can be seen in Fig.~\ref{fig:sample-handout-page}, exercises are incorporated into the body of the notes. Typically we assign a few exercises prior to the start of lecture as guides to reading the notes. We Following the lecture, we  then assign longer, more involved problems as homework following the lecture. Solutions, which are homework. We distribute solutions,  written in the same format as the lecture notes,are distributed  when we return  the marked assignments are returned. assignments.  The class discusses the solutions in lecture, with ample opportunity for students to ask questions. As of the midpoint of the Spring 2015 semester, 40 pages of notes have been written and distributed. These notes include 30 exercises developed specifically for this course. In addition, 20 pages of detailed solutions to the homework exercises have been written and distributed.