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  2. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    Sanctuary. Atlantic. Elektra. EastWest. Musical artist. Website. rayj .com. William Ray Norwood Jr. (born January 17, 1981), [1] known professionally as Ray J, is an American R&B singer, songwriter, television presenter, and actor. Born in McComb, Mississippi and raised in Carson, California, he is the younger brother of singer and actress Brandy.

  3. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    The above is not limited to subtractions, try = 1 + 1.405*2^(-48) in one cell, Excel rounds the display to 1,00000000000000000000, and = 0.9 + 225179982494413×2^(-51) in another, same display [d] above, different rounding for value and display, violates one of the elementary requirements in Goldberg (1991) [8] who states:

  4. Theory of solar cells - Wikipedia

    en.wikipedia.org/wiki/Theory_of_solar_cells

    In thick solar cells there is very little electric field in the active region outside the space charge zone, so the dominant mode of charge carrier separation is diffusion. In these cells the diffusion length of minority carriers (the length that photo-generated carriers can travel before they recombine) must be large compared to the cell ...

  5. Levelized cost of electricity - Wikipedia

    en.wikipedia.org/wiki/Levelized_cost_of_electricity

    Data source is Lazard. [ 1] The levelized cost of electricity ( LCOE) is a measure of the average net present cost of electricity generation for a generator over its lifetime. It is used for investment planning and to compare different methods of electricity generation on a consistent basis. The more general term levelized cost of energy may ...

  6. How Much Does It Cost To Charge an Electric Car? - AOL

    www.aol.com/much-does-cost-charge-electric...

    No one-size-fits-all answer will explain how much it costs to charge an ... the formula would look like this: Cost to Charge = (360 / 3) x $0.14 ... car using commercial options because costs vary ...

  7. Break-even point - Wikipedia

    en.wikipedia.org/wiki/Break-even_point

    The break-even point (BEP) in economics, business —and specifically cost accounting —is the point at which total cost and total revenue are equal, i.e. "even". In layman's terms, after all costs are paid for there is neither profit nor loss. [1] [2] In economics specifically, the term has a broader definition; even if there is no net loss ...

  8. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Excel offers many user interface tweaks over the earliest electronic spreadsheets; however, the essence remains the same as in the original spreadsheet software, VisiCalc: the program displays cells organized in rows and columns, and each cell may contain data or a formula, with relative or absolute references to other cells. Excel 2.0 for ...

  9. Back to school means back to viruses. A doctor explains how ...

    www.aol.com/news/back-school-means-back-viruses...

    The return to classrooms in the fall usually means kids bring back germs along with their homework. Dr. Leana Wen has advice to make the transition easier.