The motto of the United Negro College Fund can today be applied to all children in our school systems-not just the socially ...

Structured references use table columns instead of cell coordinates, making formulas easier to read, update, and trust.

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Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

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Abstract: This paper presents a variant of the Hill cipher that replaces ordinary matrix operations with rhotrix algebra using heart-oriented multiplication. We review basic properties of rhotrices, ...