To display a record of information in a graphical interface, pie charts, bar diagrams, and other such chart diagrams are the best ways to present or communicate information visually. If you don’t have ...

Creating a graph doesn’t need to be difficult once you have the right tools at your disposal. Now, instead of having to draw a graph on a piece of paper, or use advanced applications to get the job ...

This is the first in an occasional series on Web apps that can take the place of pricey (or even free) desktop software. Need to create a diagram, flow chart, or the like? Microsoft's Visio has long ...

After a three-month trial period, PDF versions of NOAA nautical charts will become a permanent product, free to the public. The free PDFs, which are digital images of traditional nautical charts, are ...