But for most encryption systems, especially the Public Key systems that are widely used by the banks, you need to know very sophisticated number theory, analytic number theory, elliptical theory.

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XLeratorDB, from WestClinTech in Irvington, NY, says it extends the analytic and number-crunching capabilities of Excel into the SQL Server database.

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Moving beyond the energy use-case, big tech companies have been showcasing the various ways things like wireless sensors, analytic software, and improved processing power could help better manage any number of resources.

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