Example Draw the graph of y = x 2 x 4 and use it to find the roots of the equation to 1 decimal place. Draw and complete a table of values to find coordinates of points on the graph.

Examples include finite graphs, periodic graphs, graphings, and percolation graphs. Making use of Connes’s noncommutative integration theory, we construct a zeta function and present a determinant ...

But Tatsuo Horiuchi, a 74-year-old man from an area in Japan called Nagano Prefecture, has discovered how to make stunning works of art using Excel spreadsheets.