Difference between revisions of "Documentation/How Tos/Calc: YEARFRAC function"

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(Issues)
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|align="center"|0||US (NASD) system. 30 days/month, 360 days/year (30/360)
 
|align="center"|0||US (NASD) system. 30 days/month, 360 days/year (30/360)
 
|-
 
|-
|align="center"|1||Actual/actual (Euro), also known as AFB
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|align="center"|1||Actual/actual
 
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|-
 
|align="center"|2||Actual/360
 
|align="center"|2||Actual/360
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|align="center"|4||European 30/360
 
|align="center"|4||European 30/360
 
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=== Example: ===
 
=== Example: ===
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<tt>'''YEARFRAC("2008-01-01";"2008-07-01";3)'''</tt>
 
<tt>'''YEARFRAC("2008-01-01";"2008-07-01";3)'''</tt>
 
: returns <tt>'''0.498630136986'''</tt>.
 
: returns <tt>'''0.498630136986'''</tt>.
 
 
  
 
=== See also: ===
 
=== See also: ===
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'''[[Documentation/How_Tos/Calc: Date & Time functions#Date and Time overview|Date & Time overview]]'''
 
'''[[Documentation/How_Tos/Calc: Date & Time functions#Date and Time overview|Date & Time overview]]'''
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 +
=== Issues: ===
 +
* Excel and Calc both produce slightly erroneous results in some circumstances.

Revision as of 17:25, 16 August 2008


YEARFRAC

Returns the number of years including fraction between two dates.

This function is only available if the Analysis AddIn is installed.

Syntax:

YEARFRAC(startdate; enddate; basis)

returns the number of years between the startdate and enddate; basis is an integer specifying the system of how many days are in a month or year, as follows:
basis day counting system
0 US (NASD) system. 30 days/month, 360 days/year (30/360)
1 Actual/actual
2 Actual/360
3 Actual/365
4 European 30/360

Example:

YEARFRAC("2007-01-01";"2009-07-01";0)

returns 2.5.

YEARFRAC("2008-01-01";"2008-07-01";3)

returns 0.498630136986.

See also:

Date & Time functions

Date & Time overview

Issues:

  • Excel and Calc both produce slightly erroneous results in some circumstances.
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