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Science, engineering, and mathematics — biology, chemistry, physics, astronomy, earth sciences, social sciences, and technology research. A curated gateway to academic and professional scientific resources.
57129 resources
A philosophical essay.
A historical account with links to biographies of some of the people involved.
Seminar notes by Greg Schreiber.
Finding the shortest distance between two points on the earth given latitude and longitude. Download ARC_CALC_3, Microsoft Excel version, A Spherical Triangle Calculator by James Q. Jacobs.
Software simulation offering straightedge and compass constructions in hyperbolic geometry.
Includes a set of supplementary notes that provide an introduction to Minkowskian geometry and a toolkit for constructing figures.