Thursday, March 31, 2016

Video: The Area of an Ellipse: A Derivation

Video:   The Area of an Ellipse: A Derivation

 Link:  https://www.youtube.com/watch?v=JaFc2BsVWSU

 This blog is property of Edward Shore, 2016.
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RPN HP 12C: Fibonacci and Lucas Sequences

  RPN HP 12C: Fibonacci and Lucas Sequences Golden Ratio, Formulas, and Sequences Let φ be the Golden Ratio: φ = (1 + √5) ÷ 2...