Continuous Reflection

"If others would but reflect on mathematical truths as deeply and as continuously as I have, they would make my discoveries." - Carl Friedrich Gauss

Continuous Reflection
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Tag: Geogebra

Fresh eyes on end behavior of rational functions

Over the past few years of teaching precalculus regularly, I’ve experimented with a variety of approaches to rational functions in an attempt to find one that will result in students discovering and eventually truly understanding how the equation of a rational function determines its graph. I have never felt very Read more…


Hooray! I can embed a GeoGebra applet!

Starting with a tweet yesterday from John Golden (@mathhombre) How to Insert an iFrame into a WordPress Post bit.ly/OUZn3q for @geogebra, ggl docs, etc. #edtech HT @mike_geogebra — John Golden (@mathhombre) August 13, 2012 I followed a trail which (thanks to a comment from Pete Read more…


A Modern Log Table

After re-reading the first chapter of Eli Maor’s e: The Story of a Number, I ended up spending a couple of days creating a GeoGebra applet which I’ve called Napier’s Gift. Given that it’s July, I didn’t have a class to try it out on, Read more…


Births and Deaths in Canada

The data for this graph comes from Table 053-0001 at Statistics Canada. The graph was produced with GeoGebra.


Temperature vs. Depth in Lake Superior

The data for this graph comes from Lake Superior Meteorological Buoy at the University of Minnesota-Duluth. The data was gathered at 5:00 AM on July 28, 2011. Similar data, along with an interactive graphing view, are available for many other dates back to 2008. The Read more…