You are here

Classroom Capsules and Notes

Note. We now return to our every-other-week schedule for featured articles, shown at the bottom of this page.

Capsules By Courses. We are organizing the capsules into courses, when possible using the same topics as are used in Course Communities. So far we have organized capsules for the following courses:

You may select topics within each course.


Featured Items

The author characterizes the set of possible limits of subsequences of a given sequence.

Line of regression can be obtained using algebra and technique of minimizing a parabola.

Emergency care requires calculating the percentage of oxygen in air supplied to the patient.

Visual classroom models for hyperbolic plane using Thurston papers

A modified Fibonacci triangle is created by squaring Fibonacci numbers. Interesting numbers such as Lucas numbers appear.

The author proves visually four chain inequalities among five common means: harmonic, geometric, arithmetic, root square, and contraharmonic.