What on earth are polar coordinates, and why would you want to use them?

Use functions to create minimalist versions of works of art.

Can you make sense of the charts and diagrams that are created and used by sports competitors, trainers and statisticians?

Build gnomons that are related to the Fibonacci sequence and try to explain why this is possible.

This is the second article in a two part series on the history of Algebra from about 2000 BCE to about 1000 CE.

Can you make sense of the charts and diagrams that are created and used by sports competitors, trainers and statisticians?

These pictures and answers leave the viewer with the problem "What is the Question". Can you give the question and how the answer follows?

These gnomons appear to have more than a passing connection with the Fibonacci sequence. This problem ask you to investigate some of these connections.

Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?

Make a functional window display which will both satisfy the manager and make sense to the shoppers