# Difference between revisions of "Manuals/calci/GAMMAFUNCTION"

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#GAMMAFUNCTION(2) = 1.0000026676984093 | #GAMMAFUNCTION(2) = 1.0000026676984093 | ||

#GAMMAFUNCTION(45.3) = 8.308990531109891e+54 | #GAMMAFUNCTION(45.3) = 8.308990531109891e+54 | ||

− | #GAMMAFUNCTION(-3) = | + | #GAMMAFUNCTION(-3) = #N/A (#NUM!) |

+ | |||

+ | ==Related Videos== | ||

+ | {{#ev:youtube|v=XZIVrkkYBRI|280|center|Gamma Function}} | ||

==See Also== | ==See Also== | ||

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+ | ==References== | ||

+ | *[https://en.wikipedia.org/wiki/Gamma_function Gamma Function] | ||

*[[Z_API_Functions | List of Main Z Functions]] | *[[Z_API_Functions | List of Main Z Functions]] | ||

*[[ Z3 | Z3 home ]] | *[[ Z3 | Z3 home ]] |

## Latest revision as of 04:55, 12 August 2020

**GAMMAFUNCTION (z)**

- is any positive real number.

## Description

- This function gives the value of the Gamma function.
- The Gamma function is defined to be an extension of the factorial to complex and real number arguments.
- That is, if n is a positive integer:

- Gamma function is defined for all complex numbers except the non-positive integers.
- For complex numbers with a positive real part, it is defined via a convergent improper integral:

- This function will return the result as NaN when the given number as negative or Non numeric.

## Examples

- GAMMAFUNCTION(2) = 1.0000026676984093
- GAMMAFUNCTION(45.3) = 8.308990531109891e+54
- GAMMAFUNCTION(-3) = #N/A (#NUM!)

## Related Videos

## See Also