Happy Square Day! It’s quite rare for the numbers of the date to all be perfect squares, and even rarer for them to be consecutive!
April, 2016 has been a fun month for mathematical dates! So far this month we’ve had 4/2/16 (an Exponent Day), 4/4/16, and 4/8/16 (a Geometric Mean Day, or alternately, a Powers of 2 Day). And there are more fun mathematical dates to come!
Today we celebrate the second 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.
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!
Today we celebrate the first 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!
Thanks to the strong presence of mathematicians and math teachers on social media, I know I’m not the only person who, when sitting around with a box full of compasses, unexpectedly ends up doing things like this.
A circle made of circle-makers! Or, from another perspective, a regular 26-sided polygon.
The fact that I created an object that doesn’t even appear to have a name made me feel a little better about this use of time.
