Archive for the ‘Mathematics’ Category

The unit circle ties together 3 great strands in mathematics: Euclidean geometry, coordinate geometry and trigonometry.

Composers use many ideas from geometry when they write music.

Will the DJIA follow the Nikkei down into oblivion? Japan's story may give us a clue.

The Equation of Time is an interesting application of conics and composite trigonometric curves.

The equals sign causes a lot of grief. Should we replace it with more meaningful symbols?

Irrational numbers were a real dilemma for the ancient Greek mathematicians.

Here's a curious type of geometry that leads to a very strange result.

What did Isaac Newton's original manuscript look like? What did it say?

A census is carried out every 10 years in the US, as it is in many countries. It gives an interesting snapshot on population and culture. The questions continually evolve and that's what makes it interesting.

Yousuf has trouble understanding a question involving summation notation. After some effort, he gets there!