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XLeratorDB/financial Documentation

SQL Server CUMPRINC function


CUMPRINC
 
Updated: 5 August 2010
Use CUMPRINC to calculate the cumulative principal paid on a loan between any two periods.
 
Syntax
SELECT [westclintech].[wct].[CUMPRINC] (
   <@Rate, float,>
 ,<@Nper, float,>
 ,<@PV, float,>
 ,<@Start_period, int,>
 ,<@End_period, int,>
 ,<@Pay_type, int,>)
Arguments
@Rate
the interest rate per period. @Rate is an expression of type float or of a type that can be implicitly converted to float.
@Nper
the total number of periods in the annuity to be calculated. @Nper is an expression of type float or of a type that can be implicitly converted to float.
@PV
the present value of the future payments . @PV is an expression of type float or of a type that can be implicitly converted to float.
@Start_period
the first period in the calculation. Payment periods are numbered beginning with 1. @Start_period is an expression of type int or of a type that can be implicitly converted to int.
@End_period
the last period in the calculation. Payment periods are numbered beginning with 1. @End_period is an expression of type int or of a type that can be implicitly converted to int.

 @Pay_type

the number 0 or 1 and indicates when payments are due. @Pay_type is an expression of type int or of a type that can be implicitly converted to int. If @Pay_type is NULL it is assumed to be 0. 
Set @Pay_type equal to
If payments are due 
0
At the end of a period
1
At the beginning of a period
 
Return Type
float
Remarks
 
·         If@Rate <= 0, @Nper <= 0, or @PV <= 0,  CUMPRINC returns an error
·         If @Start_period < 1, @End_period < 1, or @Start_period > @End_period, CIMPRINC returns an error
·         If @Pay_type is any number other than 0 or 1, CUMPRINC returns an error
       
Example
 
SELECT wct.CUMPRINC(0.0075
,360
,-125000
,349
,360
,0)
 
Here is the result set
----------------------
11500.9866994826

 



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