2 Matching Annotations
  1. Mar 2022
    1. 618034

      "The first known calculation of the golden ratio as a decimal was given in a letter written in 1597 by Michael Mästlin, at the University of Tübingen, to his former student Kepler. He gives "about 0.6180340" for the length of the longer segment of a line of length 1 divided in the golden ratio." from https://mathshistory.st-andrews.ac.uk/HistTopics/Golden_ratio/