Difference between revisions of "Manuals/calci/FACT"

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=FACT(N)=
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=FACT(Number)=
  
*where, <math>N</math> is a positive integer whose factorial is to be found.
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*<math>Number</math> is a positive integer whose factorial is to be found.
  
 
FACT() calculates the factorial of a number <math>N</math> as 1*2*.....*<math>N</math>.
 
FACT() calculates the factorial of a number <math>N</math> as 1*2*.....*<math>N</math>.
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<math>N! = N * (N-1) * (N-2) * ..... 1</math>
 
<math>N! = N * (N-1) * (N-2) * ..... 1</math>
  
*If <math>N</math> is negative, Calci displays #N/A error message.
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*If <math>Number</math> is negative, Calci displays #N/A error message.
*If <math>N</math> is not an integer, it is truncated to calculate the factorial.
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*If <math>Number</math> is not an integer, it is truncated to calculate the factorial.
*If <math>N</math> is invalid, Calci displays #NULL error message.
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*If <math>Number</math> is invalid, Calci displays #NULL error message.
 
*The factorial of series of numbers can be calculated as -
 
*The factorial of series of numbers can be calculated as -
 
e.g. FACT(1..5) calculates factorial of numbers from 1 to 5 and displays result as '''1  2  6  24  120'''.
 
e.g. FACT(1..5) calculates factorial of numbers from 1 to 5 and displays result as '''1  2  6  24  120'''.

Revision as of 16:51, 25 June 2018

FACT(Number)

  • is a positive integer whose factorial is to be found.

FACT() calculates the factorial of a number as 1*2*.....*.

Description

FACT(N)

e.g. FACT(3) displays 6 as a result.

  • The factorial of a number is the product of all positive integers, less than or equal to . It is calculated as -

  • If is negative, Calci displays #N/A error message.
  • If is not an integer, it is truncated to calculate the factorial.
  • If is invalid, Calci displays #NULL error message.
  • The factorial of series of numbers can be calculated as -

e.g. FACT(1..5) calculates factorial of numbers from 1 to 5 and displays result as 1 2 6 24 120.

Examples

Function Output
FACT(6) 720
FACT(4.7) 24
FACT(0) 1
FACT(1.1) 1

Related Videos

FACTORIAL

See Also

References