C++, .NET, C#, VB, ASP, COM, Java, PHP, Perl, Python Pie, donut, bar, line, spline, step line, regression, curve-fitting, inter-line filling, area, band, scatter, bubble, floating box, box-whisker, waterfall, contour, heat map, discrete heat map, tree map, surface, vector, finance, Gantt, radar, polar, rose, pyramid, cone, funnel ... even includes meters and gauges. Combine multiple chart layers t