Difference between revisions of "Documentation/How Tos/Calc: AMORLINC function"
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== AMORLINC == | == AMORLINC == | ||
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:: 4 - European method, 12 months of 30 days each | :: 4 - European method, 12 months of 30 days each | ||
| − | : Calculates the amount of depreciation for a period, using a linear depreciation method as in French accounting systems. | + | : Calculates the amount of depreciation for a period, using a linear depreciation method, as in French accounting systems. |
: The book life time of the asset is 1/<tt>'''rate'''</tt>, which is an initial fractional period up to the first period end, then a number of full periods, then a fractional period to the end of the asset's life. | : The book life time of the asset is 1/<tt>'''rate'''</tt>, which is an initial fractional period up to the first period end, then a number of full periods, then a fractional period to the end of the asset's life. | ||
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=== Issues: === | === Issues: === | ||
| − | * Calc and Excel calculate differently when the date of purchase is the end of a period. Excel regards the initial period 0 as the first full period. Calc (it is believed correctly) regards the initial period 0 as of zero length, and thus correctly returns zero depreciation. Example: <tt>'''AMORLINC(1000;"2008-12-31";"2008-12-31";100;0;0.25;1)'''</tt> returns <tt>'''0'''</tt> in Calc and <tt>'''250'''</tt> in Excel. In this example the final fractional period (giving <tt>'''150'''</tt> depreciation) is period 3 in Excel and period 4 in Calc. | + | * Calc and Excel calculate differently when the date of purchase is the end of a period. Excel regards the initial period 0 as the first full period. Calc (it is believed correctly) regards the initial period 0 as of zero length, and thus correctly returns zero depreciation. Example: <tt>'''AMORLINC(1000;"2008-12-31";"2008-12-31";100;0;0.25;1)'''</tt> returns <tt>'''0'''</tt> in Calc and <tt>'''250'''</tt> in Excel. In this example, the final fractional period (giving <tt>'''150'''</tt> depreciation) is period 3 in Excel and period 4 in Calc. |
Latest revision as of 15:05, 30 January 2024
Depreciation
Payment Streams, Annuities, Loans
Securities
Coupons
Miscellaneous
AMORLINC
Returns depreciation for a period using linear depreciation (French system).
This function is only available if the Analysis AddIn is installed.
Syntax:
AMORLINC(cost; purchase_date; first_period_end; salvage; period; rate; basis)
- cost: the acquisition cost.
- purchase_date: the date of acquisition.
- first_period_end: the end date of the first depreciation period.
- salvage: the salvage value at the end of life.
- period: the period for which to calculate depreciation. 0 is the initial period (from purchase_date to first_period_end).
- rate: the rate of depreciation.
- basis: is chosen from a list of options and indicates how the year is to be calculated. Defaults to 0 if omitted.
- 0 - US method (NASD), 12 months of 30 days each
- 1 - Exact number of days in months, exact number of days in year
- 2 - Exact number of days in month, year has 360 days
- 3 - Exact number of days in month, year has 365 days
- 4 - European method, 12 months of 30 days each
- Calculates the amount of depreciation for a period, using a linear depreciation method, as in French accounting systems.
- The book life time of the asset is 1/rate, which is an initial fractional period up to the first period end, then a number of full periods, then a fractional period to the end of the asset's life.
- The depreciation in the initial period 0 (the period (from purchase_date to first_period_end) is calculated proportionately and is given by:
- cost*rate*YEARFRAC(purchase_date;first_period_end;basis).
- The depreciation in subsequent whole periods is given by:
- cost*rate.
- In the final (fractional) period of the life time, the depreciation reduces the remaining book value of the asset to salvage; in other words it is:
- cost - salvage - total_depreciation_charged_so_far.
- AMORLINC returns 0 after this.
Example:
AMORLINC(1000; "2004-02-01"; "2004-12-31"; 10; 8; 0.1; 1)
- returns 100.
Issues:
- Calc and Excel calculate differently when the date of purchase is the end of a period. Excel regards the initial period 0 as the first full period. Calc (it is believed correctly) regards the initial period 0 as of zero length, and thus correctly returns zero depreciation. Example: AMORLINC(1000;"2008-12-31";"2008-12-31";100;0;0.25;1) returns 0 in Calc and 250 in Excel. In this example, the final fractional period (giving 150 depreciation) is period 3 in Excel and period 4 in Calc.
See Also
