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+--- Thread: Approximating the Length of Daylight in Hours (/thread-5235.html)
Approximating the Length of Daylight in Hours - Eddie W. Shore - 11-29-2015 05:59 PM
HP Prime: Approximating the Length of Daylight in Hours
http://edspi31415.blogspot.com/2015/11/hp-prime-approximate-length-of-daylight.html