You might want to try MSN money news plus stock charting. It is interactive with up to 12 technical indicators.
Fixed broken data source and allowing much longer time spans.
Graphing Calculator for plotting functions, solving equations and more!
GeoGebra Classic with geometry, 3D, CAS, spreadsheet and probability calculator!
Interactive Geometry with Lines, Circles, Polygons, Angles and more!
Configurable widgets showing wind conditions for your favorite weather stations