DescriptionCornell University notebook and exam pages for Math 221, Spring 1973.jpg
English: A couple of pages from one student's notebooks from Math 221, Calculus, Linear Algebra and Differential Equations, as taught by Professor William C. Waterhouse during the Spring of 1973. The subject of the February 20, 1973 class is Fourier series and Waterhouse is illustrating the applicability of them to music theory by singing notes on the scale and commenting on their harmonics. A fragment of the course's Final Exam is also shown.
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