Banks and credit unions have been using RPG to calculate loan-payment and loan-remaining values since the 70's, at least; even before there was a "power" operator **. The last calculations I wrote (years ago) used packed decimal variables with 15,9 precision, then finally rounded with half-adjust to 2 decimal positions.
-Nathan
----- Original Message -----
From: Dave <dfx1@xxxxxxxxxxxxxx>
To: RPG programming on the IBM i / System i <rpg400-l@xxxxxxxxxxxx>
Cc:
Sent: Thursday, April 12, 2012 4:55 AM
Subject: RPG math
Hi all,
I recently asked how to access an EXCEL formula from an RPG program
but here I am now having to reproduce the EXCEL PMT function in RPG.
Maybe someone has already done this?
Anyway, I've been given a formula to code and an EXCEL spreadsheet to
control my results.
LoanAmount, MonthlyPayment, LoanRemaining 13S2
numberOfPayments, numberOfPaymentsMade 3 I 0
I've very little experience with RPG math and I'm worried about errors
from intermediate calculations
How should I define the rates MonthlyRate and interestRate so I don't
get any loss of information after the divisions?
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