Ah, i see a problem. I can't get Google calculator to work, but I see what happened here.
Wolfram alpha uses a different phi in the equation, so I had to use a workaround. I think somewhere along the way, I lost the /100.
Well, I didn't. Mr. Keegan did. He should be more careful when he's playing with those numbers. Silly cartoon character. He should know enough to get this stuff right.
Re Google Calculator: If you copy/paste "pi(1+phi/100/e)^(e i)" into a google search, it should work. (Note the space between the e and the i.)
Yesterday I started with phi (to confirm that google knew what it was) and then step-by-step built the rest of the expression around it. But putting it all in at once should work just fine too.
Mr. Burke is a high school math teacher in New York as well as a part-time writer, and a fan of science-fiction/fantasy books and films.
He started making his own math webcomic totally by accident as a way of amusing his students and trying to make them think just a little bit more.
Unless otherwise stated, all math cartoons and other images on this webpage are the creation and property of Mr. Chris Burke and cannot be reused without permission.
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5 comments:
Could someone explain this, please? What is the value of phi?
Principal = pi(1 + phi)*ei, where * = exponent
phi = (1 + sqrt(5))/2,
the golden ratio
http://www.wolframalpha.com/input/?i=golden+ratio
I get a different answer:
P = pi(1+phi/100/e)^(ei) = 3.14 + 0.051i
(according to google's calculator)
Ah, i see a problem. I can't get Google calculator to work, but I see what happened here.
Wolfram alpha uses a different phi in the equation, so I had to use a workaround. I think somewhere along the way, I lost the /100.
Well, I didn't. Mr. Keegan did. He should be more careful when he's playing with those numbers. Silly cartoon character. He should know enough to get this stuff right.
Re Google Calculator: If you copy/paste "pi(1+phi/100/e)^(e i)" into a google search, it should work. (Note the space between the e and the i.)
Yesterday I started with phi (to confirm that google knew what it was) and then step-by-step built the rest of the expression around it. But putting it all in at once should work just fine too.
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