Many leave out key variables that can make a huge difference in determining your needs.

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Two key variables are making F2P games much more attractive for eSports: Consistency and growth.

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Aprimo lets users log in key variables--names of suppliers, material costs, deadlines--into clean-looking screen templates customized for particular campaigns.

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"By the detailed examination, documentation and flow-charting of financial processes, executives will develop a more intimate understanding of the relationships of key variables and be more confident in their decisions, " writes Michael Fox in the Minneapolis Star-Tribune.

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When businesses are planning to invest, a key factor is the expected path of macroeconomic variables like inflation and real income growth.

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