## 12/06/2016 — Happy Permutation Day!

Today we celebrate the final Permutation Day of the year!  I call days like today permutation days because the digits of the day and the month can be rearranged to form the year.

Celebrate Permutation Day by mixing things up!  Try doing things in a different order today.  Just remember, for some operations, order definitely matters!

## Math Photo: Right but Obtuse

I love the geometry of this tower crane as it swings around, creating obtuse projections of its perpendicularity.  I wonder how accurately I could estimate my altitude from this picture?

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## 10/26/2016 — Happy Permutation Day!

Today we celebrate a Permutation Day!  I call days like today permutation days because the digits of the day and the month can be rearranged to form the year.

We can also consider today a Transposition Day, as we need only a single transposition (an exchange of two numbers) to turn the year into the day and date.

Celebrate Permutation Day by mixing things up!  Try doing things in a different order today.  Just remember, for some operations, order definitely matters!

## Math Horizons Editorial

I am proud to have contributed an editorial to the November issue of Math Horizons magazine, a publication of the Mathematical Association of America (MAA).

In my essay, “I Love Teaching Math, Maybe You Will Too“, I attempt to convey the excitement, challenge, and fulfillment of being a math teacher.  Those who study math have many career options, and while math teacher is not necessarily a glamorous job, it can be a great one.  And one that I think deserves more consideration.

The essay appears in the Aftermath section of the magazine, and is available both in print and on the MAA’s blog.  You can read my essay here, and see the full November issue of Math Horizons here.

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