The sensory aspects of the courses would be beneficial to any child; the information that is shared is priceless.
— Jean, WA

Seminars@Hadley during the 2012 fiscal year are partially supported by Hadley's Young Visionaries.
July 22, 2009
Following are additional online resources for helping you choose and create the right chart type for you:
http://peltiertech.com/Excel/ChartsHowTo/ChartType.html
http://peltiertech.com/Excel/Charts/ComboCharts.html
http://pubs.logicalexpressions.com/Pub0009/LPMArticle.asp?ID=299
http://spreadsheets.about.com/od/tipsandfaqs/qt/def_chart_chang.htm
http://spreadsheets.about.com/lr/excel_charts_and_graphs/69126/2/