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35 lines
838 B
Plaintext
35 lines
838 B
Plaintext
/*
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* Author....: David Husnian
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* CIS ID....: ?
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*
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* This is an original work by David Husnian and is placed in the
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* public domain.
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*
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* Modification history:
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* ---------------------
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*
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* Rev 1.2 15 Aug 1991 23:04:06 GLENN
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* Forest Belt proofread/edited/cleaned up doc
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*
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* Rev 1.1 14 Jun 1991 19:52:30 GLENN
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* Minor edit to file header
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*
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* Rev 1.0 01 Apr 1991 01:01:50 GLENN
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* Nanforum Toolkit
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*
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*/
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FUNCTION ft_NetPV( nInitialInvestment, nInterestRate, aCashFlow, nNoOfCashFlows )
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LOCAL nNetPresentValue := 0
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__defaultNIL( @nNoOfCashFlows, Len( aCashFlow ) )
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AEval( aCashFlow, ;
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{| nElement, nElementNo | ;
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nNetPresentValue += nElement / ;
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( ( 1 + ( nInterestRate / 100 ) ) ^ nElementNo ) }, ;
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1, nNoOfCashFlows )
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RETURN nNetPresentValue -= nInitialInvestment
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