Author Topic: Relation 1/p+1/q=1/f  (Read 40173 times)

Fu-Kwun Hwang

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Relation 1/p+1/q=1/f
« on: July 03, 2008, 03:37:32 pm »
This applet use another representation to show 1/p+1/q=1/f

You can drag p in the plotting panel and find out the q easily from intersection point at the y-axis.
You can drag and change the focus point,too.

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Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
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lookang

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Re: Relation 1/p+1/q=1/f
« Reply #1 on: July 13, 2009, 04:39:04 pm »
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=1155msg4448;topicseen#msg4448

made a nice applet from this one as original model!
check it out.
i like it :)

lookang

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