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wilber_xbox
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Re: Novel way of teaching maths
wilber_xbox   7/31/2014 4:38:17 AM
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This is cool and high-tech display of geeky things.

junko.yoshida
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STEAM
junko.yoshida   7/31/2014 4:37:31 AM
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A very cool story, Jessica! I agree...adding "Art" to STEM makes the wonder of science so much more accessible to the masses!

prabhakar_deosthali
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Novel way of teaching maths
prabhakar_deosthali   7/31/2014 2:34:50 AM
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This is a good combination of Science, technology and Nature.

Anyone who saw this wil never forget the constant PI , in his/her lifetime.

 

Sheepdoll
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22/7
Sheepdoll   7/30/2014 10:26:22 PM
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A number of my old engineering text books from the slide rule days give 22/7 as a shortcut to pi.  Good to 5 digits of accuracy, which most sin/cos tables were composed to.

My class (those born in 1960) were probably the last group in the high school system to be taught slide rule.  In my first year of college one professor considered calculators to be a form of cheating.

 

y_sasaki
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355/113
y_sasaki   7/30/2014 7:28:18 PM
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355/113 is 3.1415929203... Pretty much close to Pi (3.141592653589...). When you have to deal with Pi with 8 or 16bit embedded MCU, multiply with 355 then divide by 113 can be a good-ehough substitute of Pi :-)

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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