In addition, curve fitting is often useful. Those features of little practical use to the sciences are 3-D object graphs. The most commonly used graphing software packages are SigmaPlot and Deltagraph. There are some spread sheet software packages and statistics packages that include graphing features, but they often do not support the options needed by scientists. Two of the most common errors have to do with axes and how they are used.
Axes range like the one below looks impressive to the reader.
Car company II looks like they are outperforming the competition. However, the Y axis range makes for a very misleading image. To see an accurate representation, place your mouse cursor over the graph. Pay close attention to the Y axis range. Mismatched axes ranges, make it difficult to compare and contrast data.