Difference between revisions of "Documentation/How Tos/Calc: FACTDOUBLE function"
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== FACTDOUBLE == | == FACTDOUBLE == | ||
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: returns <tt>'''1'''</tt>. | : returns <tt>'''1'''</tt>. | ||
| − | === | + | === Issues: === |
| − | + | * This function currently appears in the AddIn category of the Function Wizard. | |
| − | |||
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| − | + | {{SeeAlso|EN| | |
| + | * [[Documentation/How_Tos/Calc: FACT function|FACT]] | ||
| + | * [[Documentation/How_Tos/Calc: MULTINOMIAL function|MULTINOMIAL]] | ||
| + | * [[Documentation/How_Tos/Calc: PRODUCT function|PRODUCT]] | ||
| − | [[Documentation/How_Tos/Calc: | + | * [[Documentation/How_Tos/Calc: Mathematical functions|Mathematical functions]] |
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| − | + | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] | |
| − | * | + | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} |
| + | [[Category: Documentation/Reference/Calc/Mathematical functions]] | ||
Latest revision as of 15:25, 31 January 2024
Trigonometric
Hyperbolic
Rounding and remainders
Logarithm/Powers
Bessel functions
Miscellaneous
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FACTDOUBLE
Returns the double factorial of a number.
This function is only available if the Analysis AddIn is installed.
Syntax:
FACTDOUBLE(number)
- returns number!!, the double factorial of number, where number is an integer greater than or equal to zero.
- For even numbers FACTDOUBLE(number) returns:
- 2*4*6*8* ... *number
- For odd numbers FACTDOUBLE(number) returns:
- 1*3*5*7* ... *number
- FACTDOUBLE(0) returns 1 by definition.
Example:
FACTDOUBLE(5)
- returns 15.
FACTDOUBLE(6)
- returns 48.
FACTDOUBLE(0)
- returns 1.
Issues:
- This function currently appears in the AddIn category of the Function Wizard.
{{#switch:EN
| RU = Смотрите также:
| UA = Дивіться також:
| EN = See Also
| PT = Ver também
| #default = See Also
}}
