This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
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New in 8.0: Visualization & Graphics
Mathematica 8 adds a number of new areas for visualization, including statistical, financial, wavelet, and control-related visualizations. These areas all provide a high level of automation for both algorithms and aesthetics. Mathematica 8 also brings a number of improvements to all the existing areas, including textures and filled curves, for a richer graphics language as well as a brand-new interactive graphics editor.
SmoothHistogram smooth density estimate
ProbabilityScalePlot normal plot, Weibull plot, etc.
CandlestickChart candlestick and OHLC chart of open-high-low-close prices

WaveletListPlot plot wavelet transform coefficients
RootLocusPlot plot root locations as a parameter varies

PairedBarChart create paired bar charts
ScalingFunctions specify which scaling functions should be used when charting
New and Improved Scientific Visualization
DiscretePlot (modified) — plot a discrete function of one variable
DiscretePlot3D plot a discrete function of two variables
TextureCoordinateFunction specify texture mapping for visualization functions

Improved Interactive Graphics Editing
(modified) — draw and edit graphics interactively
Texture specify texture faces of polygons or other filled graphics objects
FilledCurve filled area with segment boundary in 2D
JoinedCurve joined curve segments in 2D
Translate (modified) — represent multiple copies of graphics primitives
Arrow (modified) — efficiently represent multiple copies of arrows

New in Spoken Output
Speak (modified) — speak any expression, including math and diagrams
SpokenString (modified) — spoken representation of an expression