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To: jackplanck

To be honest, Jackplanck, I did not read the entire article, but I have some replies to the idea of the ubiquity of Math in our lives. Rare are the moments in my life where I could say I was ‘enjoying’ Math as a topic or academic endeavor.
One was during the 1980’s, when for a short time, I studied to pass a Series 7 Exam. Series 7 License was needed to sell stocks and bonds. I loved the idea of puts and calls, being able to obtain control of precious metals or high quality equities. Once I understood the formula of margin calls, it was very interesting. Alas, my math was never quite good enough to pass the Fractional Transaction part of the test, but I still enjoyed trying, and learning something I never knew before.

Another instance where math facilitates communication would be in music.

Classical composers such as Johann Sebastian Bach, who found an efficient method to write in multiple keys.
Bach was able to write in every key so successfully because mathematicians found better ways to calculate the 12 root of two.

This is related to the musical problem of dividing the octave into 2 equal intervals, which involves splitting sound waves into ratios rather than equal lengths.
This technique was illustrated for all when Bach composed
The Well Tempered Clavier (1722), his book of preludes and fugues in all 24 major and minor keys.
This method allowed popular music to modulate with greater ease than prior to the Baroque Period.


10 posted on 01/11/2021 8:27:48 AM PST by lee martell ( )
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To: lee martell
The Well Tempered Clavier (1722), his book of preludes and fugues in all 24 major and minor keys.

If you go to https://www.welltemperedclavier.org/, you can download a free version of the Well Tempered Clavier performed by Kimiko Ishizaka, along with sheet music. I backed this recording when she was raising money for it's production on one of those kickstarter type sites. It is excellent.

14 posted on 01/11/2021 11:35:37 AM PST by zeugma (Stop deluding yourself that America is still a free country.)
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