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anomalism    
n. 异常;不规则;例外

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  • One Million Digits of Pi On One Page!- [Plus Guides And . . . - Pi Day
    The first million digits of pi (π) are below Why not calculate the circumference of a circle using pi here Or simply learn about pi here Maximize the fun you…
  • Pi - Wikipedia
    The number π ( paɪ ⓘ; spelled out as pi) is a mathematical constant, approximately equal to 3 14159, that is the ratio of a circle 's circumference to its diameter
  • Pi | Definition, Symbol, Number, History, Applications, Facts . . .
    pi (π), in mathematics, the ratio of the circumference of a circle to its diameter The Greek letter π was first used by British mathematician William Jones in 1706 to represent the ratio and was later popularized by Swiss mathematician Leonhard Euler
  • Pi (π) - Math is Fun
    Then the circumference (all the way around the circle) is 3 14159265 a number known as Pi Pi (pronounced like "pie") is often written using the Greek symbol π With a diameter of D the circumference is πD: The definition of π is: of a Circle
  • Pi Symbol (π)
    The Greek small letter π (pi) is used in trigonometry as a constant to represent a half-rotation around a circle in radians The value of π is approximately 3 14159 and appears in many math formulas and expressions
  • Pi - Math. net
    Pi is a constant value That is, the ratio of the circumference to the diameter is the same for all circles The drawing below shows the circumference of a circle that has been "straightened out " It is a little more than three diameters in length: Pi is an irrational number
  • Pi (π) - Math Tools
    It is defined as the ratio of a circle's circumference to its diameter, and it also has various equivalent definitions It appears in many formulas in all areas of mathematics and physics It is approximately equal to 3 14159 Pi (π) is also a really useful number
  • What you need to know about pi (the number, not the kind we eat)
    March 14 is the day mathematicians everywhere celebrate pi, the never-ending number that is the ratio of the circumference of a circle to the diameter of the same circle
  • What is Pi? - Pi Day
    Pi (often represented by the lower-case Greek letter π), one of the most well-known mathematical constants, is the ratio of a circle’s circumference to its diameter
  • PI (Physik Instrumente) – Solutions for Precision Motion and Positioning
    Products PI is a worldwide leading supplier of solutions in the fields of motion and positioning We develop and produce positioning stages and actuators for linear, rotary and vertical motion or combinations of different axes and also adapt those solutions to customer-specific applications





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