## Golden Ratio φ

The Golden Ratio The topic of φ will be discussed in several posts. This post will show basic definition, derivation and some interesting relationships. The ratio φ is one of […]

Sunrise Sunset A question many people ask me is how do you calculate local sunrise and sunset. In order to proceed you need an understanding of how the earth moves […]

Algebra This is the derivation of an equation we all know. The equation: (1) As a solution to this: (2) STEP 1, set the coefficient of the first […]

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