Manuals/calci/PI

From ZCubes Wiki
Revision as of 04:12, 7 January 2014 by Abin (talk | contribs) (→‎Description)
Jump to navigation Jump to search
PI()



Description

  • This function gives the value of .
  • The is a mathematical constant with a value approximate to 3.14159.
  • It is denoted by the Greek letter .
  • is commonly defined as the ratio of a circle's circumference to its diameter .
  • So , the ratio is constant, and it is not considering the circle's size.
  • is a transcendental number and irrational number.
  • Being an irrational number, cannot be expressed exactly as a ratio of any two integers .
  • But we can express as the fraction is approximate to the value , also no fraction can be its exact value.

Examples

  1. Pi()=3.141592653589793
  2. Pi()/4=0.785398163
  3. Pi()/180=0.017453293
  4. Pi()/(22/7)=0.999597663
  5. Pi()*(5^2)=78.53981634(Area of circle with r=5)
  6. 2*Pi()*5=31.41592654(Circumference of a cidcle with r=5).

See Also

References