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Calcular distancia

Added Sep 22, 2014 by rubenabravoc in Units & Measures

distancia

Efficient Light Bulb Break Even Calculator

Added Jan 19, 2014 by ben_b in Units & Measures

Calculate after how many light bulb hours a more expensive efficient light build will break even with a less expensive inefficient bulb.


Efficient Light Bulb Break Even Calculator 2

Added Jan 19, 2014 by ben_b in Units & Measures

Calculate how many light hours it will take to justify an energy efficient light bulb rather than a cheap inefficient light bulb.

Hours to Make Energy Efficient Light Bulb Cos

Added Jan 18, 2014 by ben_b in Units & Measures

Calculate how many light hours it will take to justify the replacement of an inefficient light bulb with an energy efficient light bulb.


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