8.1 Video

Here is a video of me solving a matrix by the Gauss-Jordan Method.

http://www.educreations.com/lesson/view/solving-a-matrix-by-gauss-jordan-method/16644872/?s=TWUDFD&ref=app

Math joke of the day:

The shortest math book: An Unabridged List of the Even Primes

Source: http://www.math.psu.edu/tseng/mathjoke1.html