A History of Father's Day

A trick to Dividing by 9

Pandigital Numbers

How Words Get into the Dictionary

Memory and Mnemonics

Proof 1=2

What is the International Phonetic Alphabet?

A Discussion of Sentence Diagramming

Numbers and the Human Body

Math is Fun

Divisibility by 11

Least Likable Animaniacs Characters

Rationalizing the Denominator

Divisibility by 9 Redux

What Is a Noun?

It Pays to Study

Biweekly vs. Semiweekly

A Human Look at Deep Time

Solar Eclipses: Myth, History, and Future

Enjoy Your Childhood

How Not to Reduce Fractions

America Semiquincentennial Video II: The Intolerable Acts

One Dollar Equals One Cent?

Why Shouldn't You Look at the Sun?

Zero to the Zero Power

Memorizing Digits of Pi

In Defense of Time Zones

The Future of Animaniacs

Good vs. Well Redux

Leap Years on Mars