This applet, created by Kevin O'Bryant of the University of California - San Diego, illustrates the monoalphabetic substitution codebreaking process using a chi-squared process. The author explains how and why this...
The Educational Testing Service (ETS) and the AP College Board have a number of excellent resources at their disposal, and this site provides a cornucopia of materials about teaching and learning calculus. First up is...
In this animated and interactive object, learners read how to determine the location of a contour for a specific location given a Triangular Irregular Network (TIN).
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