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Pi

en.wikipedia.org/wiki/Pi

The number π is a mathematical constant, the ratio of a circle's circumference to its diameter, ..... Sexagesimal: A base 60 approximation to five sexagesimal digits is 3;8,29,44 ... This f...

Pi Day · Celebrate Mathematics on March 14th

www.piday.org/

Pi Day is celebrated on March 14th (3/14) around the world. Pi (Greek letter “π”) is ... Pi has been calculated to over one trillion digits beyond its decimal point.

Unit circle

www.math.umn.edu/~adams005/KA/khan-exercises/exercises/unit_circle.html

true randRangeNonZero( -90, 90 ) * 5 ANGLE*2*PI/360 ANGLE + "^{\\circ}" ... Move the orange point around the unit circle to the angle indicated inside the ... false randFromArray([ -6*PI/2, -5*PI/2, -7*PI/3, -9*PI/4, -2*PI, -11*PI/6, -7*PI/4, -5* PI/3, ...

Why Math geeks are so excited about March 14, 2015, at 9:26:53 ...

www.pbs.org/newshour/rundown/happy-pi-day-how-are-you-celebrating/

Mar 14, 2015 ... Pi Day is a holiday for math (and pie) enthusiasts to celebrate their love of ... Then, more to the point, the date today is 3/14/2015, not 3/14/15.

Pi Day: How 3.14 helps find other planets, and more – Light Years ...

lightyears.blogs.cnn.com/2012/03/13/pi-day-how-3-14-helps-find-other-planets-and-more/

Mar 13, 2012 ... A favorite holiday among geeks, March 14 commemorates one of the most ... Here's her basic formula: The volume of a planet is about 4/3 pi times the radius<sup>3</sup>. ... and add up the gravitational force at each point on the sphere, ...

Pi Day Hits a Milestone That Comes Only Once a Century: 3/14/15 ...

www.nbcnews.com/science/weird-science/pi-day-hits-milestone-comes-only-once-century-3-14-n323131

Mar 14, 2015 ... Pi Day was dreamed up 27 years ago to celebrate 3.14 on 3/14, but this year the geek dial is being turned up to 15 — as in 3/14/15.

3-14-16: Happy 'rounded off' Pi Day! | KVAL

kval.com/news/offbeat/3-14-16-happy-rounded-off-pi-day

Mar 14, 2016 ... (Note also that 17 is 3 plus 14 where 3 and 14 side by side correspond to the first three digits of pi without the decimal point.) The same ...

Happy Pi Day everyone! : askscience - Reddit

www.reddit.com/r/askscience/comments/4aczay/happy_pi_day_everyone/

Mar 14, 2016 ... Today is 3/14/16, a bit of a rounded-up Pi Day! Grab a slice of your favorite Pi Day dessert and come celebrate with us. Our experts are here to.

Pi Day's digits, date align for 3/14/15, and Chicagoans plan to ...

www.chicagotribune.com/ct-pi-day-2015-met-0310-20150309-story.html

Mar 9, 2015 ... For the only time this century, Pi Day will land on 3/14/15. ... ends and it has been calculated to more than 1 trillion digits past the decimal point.

Once In A Lifetime Math Moment On Saturday's Pi Day, '3/14/15 At 9 ...

sanfrancisco.cbslocal.com/2015/03/12/once-in-a-lifetime-pi-day-3-14-15-perfect-date-and-time-to-10-places-when-is-pi-day-pi-digits/

Mar 12, 2015 ... Once In A Lifetime Math Moment On Saturday's Pi Day, '3/14/15 At 9:26 a.m.' ... You'll have to draw your own at this point though, as shipping ...

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One Million Digits of Pi · Pi Day

www.piday.org

Celebrate Mathematics on March 14th. 227 Days 14 Hours. Home · Learn About Pi · Shop · Videos · News & Events · Pi ... One Million Digits of Pi. 3.... Pi Clock ...

What Is Pi Day: Everything You Need To Know About The March 14 ...

hollywoodlife.com

Mar 14, 2016 ... While celebrating 3.14 on 3/14 is fun, the most appropriate Pi Day that has ... When you round up the first four digits after the decimal point are ...

Trigonometry Angles--Pi/12 -- from Wolfram MathWorld

mathworld.wolfram.com

cos((5pi)/(12)), = 1/4(sqrt(6)-sqrt(2)). (2). cot(pi/(12)), = 2+sqrt(3) ... sin(pi/(12)), = sin(pi/3-pi/4). (13). = -sin(pi/4)cos(pi/3)+sin(. (14). = -1/2sqrt(2)(1/2)+1/2sqrt. (15).