Euler was the first person to use Radians in trigonometry. The circumference of a circle is 2 Pi, and Euler defined 360 degrees (of a circle) to be 2 Pi Radians. For the watch above, consider 0 (or 360 degrees) as the “horizontal plane”, represented by Pi and 2 Pi; with the vertical “90 degrees” point being Pi/2, and 270 degrees of the circle representing 3/2 Pi. Clear as mud? I'm sympathising my watch with yours.  Archie Bunker I xeroxed my watch. Now I have time to spare.  Steven Wright I go to school the youth to learn the future.  Robert Frost When Irish eyes are smiling, watch your step.  Gerald Kersh Mathematics knows no races or geographic boundaries.  David Hilbert I xeroxed my watch. Now I can give away free watches.  Steven Wright Most every dental school has discount dental services.  Matthew Lesko Pure mathematics, may it never be of any use to anyone.  Henry Smith Dear Math: I'm not a therapist. Solve your own problems.  Unknown Cauliflower is nothing but cabbage with a college education.  Mark Twain Put all your eggs in one basket, and then watch that basket.  Mark Twain To watch 24 hours a day through them highpowered spectaculars.  Archie Bunker Mathematics is the science which uses easy words for hard ideas.  James Roy Newman I was a great student at a great school, Wharton School of Finance.  Donald Trump If you break 100, watch your golf. If you break 80, watch your business.  Joey Adams Ya gotta watch out for that rigididness. It'll warf your personality.  Archie Bunker College is a place to keep warm between high school and an early marriage.  George Gobel Like the crest of a peacock, so is mathematics at the head of all knowledge.  Indian Proverb My father didn't tell me how to live; he lived, and let me watch him do it.  Clarence B. Kelland Film is one of the three universal languages, the other two: mathematics and music.  Frank Capra I had a terrible education. I attended a school for emotionally disturbed teachers.  Woody Allen I like to crack the jokes now and again, but it's only because I struggle with math.  Tina Fey Show me a Jewish boy who doesn't go to medical school and I'll show you a lawyer.  Milton Berle Mathematics is the cheapest science. All one needs for mathematics is a pencil and a paper.  George Polya Do not worry about your difficulties in mathematics. I can assure you mine are still greater.  Albert Einstein Mathematics is a game played according to certain simple rules with meaningless marks on paper.  David Hilbert I must study politics and war that my sons may have the liberty to study mathematics and philosophy.  John Adams Smartness runs in my family. When I went to school I was so smart my teacher was in my class for five years.  George Burns Do not attack me with your watch. A watch is always too fast or too slow. I cannot be dictated to by a watch.  Jane Austen I played basketball in high school, and I love watching sports  I'll watch everything except maybe hockey.  Andy Roddick Mathematics may be compared to a mill of exquisite workmanship, which grinds your stuff to any degree of fineness.  Thomas Huxley The most painful thing about mathematics is how far away you are from being able to use it after you have learned it.  James Newman Fischer, the great American chess champion, famously said, 'Chess is life.' I would say, 'Pi is life.'  Daniel Tammet The most difficult thing in the world is to know how to do a thing and to watch somebody else doing it wrong, without comment.  T.H. White A formal manipulator in mathematics often experiences the discomforting feeling that his pencil surpasses him in intelligence.  Howard Eves I think sleeping was my problem in school. If school had started at four in the afternoon, I'd be a college graduate today.  George Foreman My son really has the spirit of Valentine's Day. When he was in college, he used to send his mother a heartshaped box of laundry.  Milton Berle As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.  Albert Einstein Mathematics is not a careful march down a wellcleared highway, but a journey into a strange wilderness where the explorers often get lost.  W.S. Anglin You don't need endless time and perfect conditions. Do it now. Do it today. Do it for twenty minutes and watch your heart start beating.  Barbara Sher see also College & Engineering & Shopping Sections Accurate Pie Chart Apple Pi Best Clock Ever Bike Chain Clock Cursor Clock Dancing Mathematician Digital Analog Clock Edible Pi Math in Africa Math Clock Math Dice Mathematician’s Truck Newfoundland Digital Clock Pi Chart Pi Number Pie Pumpkin Pi Solar System Watch Spider Time Time Flies Who Cares Clock Window Sundial Word Puzzle Clock Working Round The Clock 
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