Hexa and Octa look at three examples of using the circumference. Please click on the comic strip to enlarge if necessary.

Here are some neat puzzles from an old source, that is very near and dear to me. Please click on the file name to see the pdf file.

Two Number Puzzles from an Old Source

This extends the idea that we looked at two weeks ago on November 14th, and, of course, includes more proofs. Please click on the file name to see the pdf file.

How to Multiply Two Numbers in the 20’s, 30’s, etc.

Where do you aim if you want to make a pool shot by bouncing the cue ball off the side of a table? Here is a solution and the proof of why it works. Please click on the file name to see the pdf file.

Using Geometry to Make a Pool Shot

Ramanujan was an Indian mathematical prodigy whose life ended far too soon. Please click on the file name to see the pdf file.

Ramanujan – An Indian Prodigy

Using a couple of new formulas, we look at how radicals are divided. Please click on the file name to see the pdf file.

Dividing Radicals

Dodeca and Icosa look at another way that one can work out the area of a circle. Please click on the comic strip to enlarge if necessary.

Octa and Hexa discuss how to find the distance around a circle (the circumference).

It is important, when playing a dice game with two dice, to read the directions on how the 36 possible rolls affect the movement of the pieces.

Probabilities of Rolling Two Dice in Backgammon

Here is a neat little squaring trick, and of course why it works. Please click on the file name to see the pdf file.

How to Square a Number Ending in a “1″