This essay, from J.J. O'Connor and E.F. Robertson of the University of St. Andrews describes Fermat's theorem with links to mathematicians such as Sophie Germain, Legendre, Dirichlet, Shimura and Taniyama, etc., from...
Linked essay sketching trigonometry from its beginnings out of the early correspondence between astronomy and mathematics through the 18th century, with 17 references (books/articles). Influential thinkers addressed...
This site presents an explanation of how to interpret circuit diagrams. Two diagrams show the difference between a "short hand" circuit diagram and a more detailed one. The detailed circuit diagram is useful for those...
This page from Jim Lesurf of the University of St. Andrews explains common electronic components in an easily understood format. Resistors, capacitors, diodes, inductors and more are explained here. The difference...
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