Difference between revisions of "Manuals/calci/PI"
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==Description== | ==Description== | ||
| − | *This function gives the value of pi. | + | *This function gives the value of <math>pi</math>. |
| − | *The pi is a mathematical constant with a value approximate to 3.14159. | + | *The <math>pi</math> is a mathematical constant with a value approximate to 3.14159. |
*It is denoted by the Greek letter <math>\Pi</math>. | *It is denoted by the Greek letter <math>\Pi</math>. | ||
*<math>\Pi</math> is commonly defined as the ratio of a circle's circumference C to its diameter d. | *<math>\Pi</math> is commonly defined as the ratio of a circle's circumference C to its diameter d. | ||
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*<math>\Pi</math> is a transcendental number and irrational number. | *<math>\Pi</math> is a transcendental number and irrational number. | ||
*Being an irrational number,<math>\Pi</math> cannot be expressed exactly as a ratio of any two integers . | *Being an irrational number,<math>\Pi</math> cannot be expressed exactly as a ratio of any two integers . | ||
| − | * But we can express as the fraction <math>\frac {22}{7} is approximate to the | + | * But we can express as the fraction <math>\frac {22}{7}</math> is approximate to the <math>\Pi</math> value , also no fraction can be its exact value. |
Revision as of 02:05, 6 January 2014
PI()
Description
- This function gives the value of Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle pi} .
- The Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle pi} is a mathematical constant with a value approximate to 3.14159.
- It is denoted by the Greek letter Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \Pi} .
- Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \Pi} is commonly defined as the ratio of a circle's circumference C to its diameter d.
- So Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \Pi =\frac {C}{d}} , the ratio Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \frac {C}{d}} is constant, and it is not considering the circle's size.
- is a transcendental number and irrational number.
- Being an irrational number,Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \Pi} cannot be expressed exactly as a ratio of any two integers .
- But we can express as the fraction Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \frac {22}{7}} is approximate to the Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \Pi} value , also no fraction can be its exact value.
is a transcendental number and irrational number.
Examples
- Pi()=3.141592653589793
- Pi()/4=0.785398163
- Pi()/180=0.017453293
- Pi()/(22/7)=0.999597663
- Pi()*(5^2)=78.53981634(Area of circle with r=5)
- 2*Pi()*5=31.41592654(Circumference of a cidcle with r=5).
See Also
References
Syntax
Examples
''''''' ''''
Description
PI
PI ( )
It calculates a mathematical constant pi which is equal to 3.14159265358979
Lets see an example
?UNIQ9a8ffac247c60f4e-nowiki-00000002-QINU?
and, =PI ()/3 is 1.0472
| Column1 | Column2 | Column3 | Column4 | |
| Row1 | 3.1416 | 1.0472 | ||
| Row2 | ||||
| Row3 | ||||
| Row4 | ||||
| Row5 | ||||
| Row6 |
