So the new version of Sheetster maintains its ability to provide for compatibility, including complex chart formulas.

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For example, last year the New York Times ran a front page story featuring a comically complex Army PowerPoint chart about the conflict in Afghanistan and suggested that the U.S. war effort was being hampered by excessive dependence on presentation-based meetings.

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Split by gender, the chart raises a lot of complex questions about wages, quality of life, emphasis on leisure and the role gender plays.

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Other functions solve complex mathematical equations, plot scientific figures or chart natural events.

BBC: Web tool 'as important as Google'

They determine this by looking at a complex set of lines overlaid onto a stock chart, such as moving averages, support lines, volume activity, etc.

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Mining executives say that while they chuckle about the quirks of older geologists, they recognize the business value of their memory of previous exploratory work, their grasp of complex rock formations and their discipline in knowing how to meticulously chart new territory.

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The weekly chart of the Select Sector SPDR Technology ( XLK) shows that it formed complex bottoms in both the summer of 2010 and 2011 that led to quite impressive rallies.

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