Difference between revisions of "Documentation/How Tos/Calc: NPER function"
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| − | __NOTOC__ | + | {{DISPLAYTITLE: NPER function}} |
| + | {{Documentation/CalcFunc FinancialTOC | ||
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== NPER == | == NPER == | ||
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: <tt>'''NPER'''</tt> returns the number of payment periods implied by a lump sum (<tt>'''presentvalue'''</tt>) at the start of the term, a <tt>'''payment'''</tt> being made each period for <tt>'''numperiods'''</tt> periods, at fixed rate interest, compounded each period, and a lump sum (<tt>'''futurevalue'''</tt>) at the end of the term. | : <tt>'''NPER'''</tt> returns the number of payment periods implied by a lump sum (<tt>'''presentvalue'''</tt>) at the start of the term, a <tt>'''payment'''</tt> being made each period for <tt>'''numperiods'''</tt> periods, at fixed rate interest, compounded each period, and a lump sum (<tt>'''futurevalue'''</tt>) at the end of the term. | ||
| − | : See [[Documentation/How_Tos/Calc: Derivation of Financial Formulas|Derivation of Financial Formulas]] | + | : See [[Documentation/How_Tos/Calc: Derivation of Financial Formulas|Derivation of Financial Formulas]] for the underlying formula. |
=== Example: === | === Example: === | ||
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: returns approximately <tt>'''8.31'''</tt>, the number of periods to realise this scenario. | : returns approximately <tt>'''8.31'''</tt>, the number of periods to realise this scenario. | ||
| − | {{ | + | === Issues: === |
| + | * The number of periods returned can be fractional. The fraction results from solving the equation, and is not in itself meaningful. Real life periods will be whole. | ||
| + | * Take care that you understand how this function compounds the interest each period. Many financial calculators allow you to set a separate compounding period - spreadsheets do not. Choose the interest rate appropriately. | ||
| + | |||
| + | {{SeeAlso|EN| | ||
* [[Documentation/How_Tos/Calc: PV function|PV]] | * [[Documentation/How_Tos/Calc: PV function|PV]] | ||
* [[Documentation/How_Tos/Calc: FV function|FV]] | * [[Documentation/How_Tos/Calc: FV function|FV]] | ||
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* [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] | ||
* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} | ||
| − | + | [[Category: Documentation/Reference/Calc/Financial functions]] | |
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Latest revision as of 15:57, 30 January 2024
- Financial FunctionsDepreciation
- AMORDEGRCAMORLINCDBDDBSLNSYDVDBPayment Streams, Annuities, Loans
- CUMIPMTCUMIPMT_ADDCUMPRINCCUMPRINC ADDFVFVSCHEDULEIPMTIRRISPMTMIRRNPERNPVPMTPPMTPVRATERRIXIRRXNPVSecurities
- ACCRINTACCRINTMDISCDURATIONDURATION ADDEFFECTIVEEFFECT ADDINTRATEMDURATIONNOMINALNOMINAL ADDODDFPRICEODDFYIELDODDLPRICEODDLYIELDCoupons
- COUPDAYBSCOUPDAYSCOUPDAYSNCCOUPNCDCOUPNUM
NPER
Returns the number of payment periods for an annuity.
Syntax:
NPER(rate; payment; presentvalue; futurevalue; type)
- rate: the (fixed) interest rate per period.
- payment: the payment made each period.
- presentvalue: the lump sum payment at the start of the term.
- futurevalue: the cash balance paid at the end of the term (optional - defaults to 0).
- type: when payments are made (optional - defaults to 0):
- 0 - at the end of each period.
- 1 - at the start of each period (including a payment at the start of the term).
- NPER returns the number of payment periods implied by a lump sum (presentvalue) at the start of the term, a payment being made each period for numperiods periods, at fixed rate interest, compounded each period, and a lump sum (futurevalue) at the end of the term.
- See Derivation of Financial Formulas for the underlying formula.
Example:
NPER(5%; -100; 0; 1000; 0)
- returns approximately 8.31, the number of periods to realise this scenario.
Issues:
- The number of periods returned can be fractional. The fraction results from solving the equation, and is not in itself meaningful. Real life periods will be whole.
- Take care that you understand how this function compounds the interest each period. Many financial calculators allow you to set a separate compounding period - spreadsheets do not. Choose the interest rate appropriately.
See Also
-
