How to Represent a Percentage of Time in a 24-Hour Cycle in Excel Graphs. Excel displays percentages of a whole using pie charts, also known as wedge charts of circle graphs.

The de Bruijn graph B for k = 4 and a two-character alphabet composed of the digits 0 and 1. This graph has an Eulerian cycle because each node has indegree and outdegree equal to2. Following the ...

Graph: 11-Year Cyclic Antarctic Ozone Hole and Stratospheric Cooling (IMAGE) University of Waterloo. Caption. Chlorofluorocarbons are to blame for global warming since the 1970s and not carbon ...

Consider a circle with an odd number of points inside it, say three. The challenge is to use two colours, blue and red, to colour the points such that no two adjacent points have the same colour.