Volume 12

1976

Issue 1

One of the most interesting, and oldest, recreations in Mathematics is the magic square.

Issue 2

Problem 297 in the last issue of Parabola is an example of a very popular type of mathematical puzzle in which you are asked to measure a certain quantity of liquid using only a set of jugs.

Issue 3

Everyone knows how to count the number of elements of a finite set. But what are we actually doing when we count?