"...an environment for production of publication quality charts and graphs, also breaks new ground in several ways that confirm the developmental payoff... " -- Scientific Computing World
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"SigmaPlot has been around for some time and it is always pleasing to see the ease-of-use issue addressed as it has been in this version" -- Scientific Computing & Instrumentation
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"An upgrade nearly three years in the making proves to be worth the wait…SigmaPlot offers dozens of new features" -- Desktop Engineering, March 2005
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"The great strengths of SigmaPlot are speed and ease of use. To this extent, transparency, intuitiveness and interface design are part of core function" -- Scientific Computing World
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"If I were forced to select only one stand-alone graphics package for use with my work, I would not hesitate to select SigmaPlot 9.0" -- The American Statistician
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