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OS/2 Shareware BBS: 10 Tools
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pds.zip
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LOAN.CMD
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OS/2 REXX Batch file
|
1994-01-21
|
7KB
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226 lines
/*REXX*/
main:
parse arg lbegbal lrate lfactor lnumpay
if lbegbal <> '' & TRANSLATE(lbegbal) <> '/DEBUG' then
do
if lnumpay = '' then lnumpay = 360
if lfactor = '' then lfactor = 12
if lrate = '' then lrate = 8.75
call rDoLoanCalc lbegbal, lrate, lfactor, lnumpay, 'N'
do i = 1 to d.0
say d.i
end
end
else
do
if TRANSLATE(lbegbal) = '/DEBUG' then
Call Trace ?r
NUMERIC DIGITS 6
irc = 0
rc = rLoadFuncs('rxPDLoadFuncs', 'HSSPD')
if rc <> 0 then
do
Call BEEP 524, 250
Call BEEP 262, 250
say 'LOAN - Unable to initialize the "RXPD" subsystem'
exit 8
end
NUMERIC DIGITS 33
bid = rxPDInit('LOAN','YELLOWHI', 'REDHI', 'WHITE')
rc = rxPDZVarDefine()
/* svid = rxPDSaveScreen(bid)*/
/* Now we init the panel variables */
lbegbal = '0.00'
lrate = '0.00'
lfactor = '0'
lnumpay = '0'
fDlbegbal = ''
fDlrate = ''
fDlfactor = ''
fDlnumpay = ''
fDwpa = ''
fDwip = ''
fDwfp = ''
fDwnop = ''
fDwpp = ''
fDwdpb = ''
fDwpia = ''
fDwaib = ''
/* And define them so that we get proper care and feeding */
rc = rxPDVarDefine(bid, 'fDlbegbal', ZVTYPE_DOUBLE, 2)
rc = rxPDVarDefine(bid, 'fDlrate' , ZVTYPE_DOUBLE, 3)
rc = rxPDVarDefine(bid, 'fDlfactor', ZVTYPE_LONG, 3)
rc = rxPDVarDefine(bid, 'fDlnumpay', ZVTYPE_LONG, 3)
rc = rxPDVarDefine(bid, 'fDwpa', ZVTYPE_DOUBLE+ZVTYPE_RIGHTADJUST, 2)
rc = rxPDVarDefine(bid, 'fDwip', ZVTYPE_DOUBLE+ZVTYPE_RIGHTADJUST, 3)
rc = rxPDVarDefine(bid, 'fDwpp', ZVTYPE_DOUBLE+ZVTYPE_RIGHTADJUST, 2)
rc = rxPDVarDefine(bid, 'fDwdpb', ZVTYPE_DOUBLE+ZVTYPE_RIGHTADJUST, 2)
rc = rxPDVarDefine(bid, 'fDwpia', ZVTYPE_DOUBLE+ZVTYPE_RIGHTADJUST, 2)
rc = rxPDVarDefine(bid, 'fDwaib', ZVTYPE_DOUBLE+ZVTYPE_RIGHTADJUST, 2)
rc = rxPDVarDefine(bid, 'fDwfp', ZVTYPE_LONG+ZVTYPE_RIGHTADJUST, 3)
rc = rxPDVarDefine(bid, 'fDwnop', ZVTYPE_LONG+ZVTYPE_RIGHTADJUST, 3)
/***
***/
sKey = rxPDDisplay(bid,'PANEL000')
do while 0 = rDoLoan(bid)
end /*do while 0 = rDoLoan(bid)*/
/* rc = rxPDRestoreScreen(bid, svid)*/
rc = rxPDTerm(bid)
end
exit 0
/**********************************************************************\
rDoLoan:
This routine displays a dialog panel for the required LOAN data.
It then calls the lon calculation routine followed by the loan
display routine.
\**********************************************************************/
rDoLoan:
parse arg bid
fDlbegbal = lbegbal
fDlrate = lrate
fDlfactor = lfactor
fDlnumpay = lnumpay
skey = ZESC
do while sKey = ZESC
sKey = rxPDDisplay(bid,'PANEL001')
end /*do while sKey = ZESC*/
if sKey = ZF3 then
do
return 8
end
lbegBal = fDlbegbal
lrate = fDlrate
lfactor = fDlfactor
lnumpay = fDlnumpay
call rDoLoanCalc lbegbal, lrate, lfactor, lnumpay, 'Y'
Call rDoLoanDisplay bid
return 0;
/**********************************************************************\
rDoLoanDisplay:
This routine displays a dialog panel containing the results of the
loan calculation routine.
\**********************************************************************/
rDoLoanDisplay:
parse arg bid
sKey = rxPDDisplay(bid,'PANEL002')
return 0;
/**********************************************************************\
rDoLoanCalc:
This routine performes the calculation of the desired loan.
This routine is independent of the mode of end user interface by
building a stem variable that will be used by either the command
line interface or the dialog interface.
Calculations are done using the following formula:
-- --
| |
| I |
| |
PMT = B * | ________________________________________ |
| -- -- |
| | -- -- | |
| | | | | |
| | | 1 | | |
| |1 - | ___________________________ | | |
| | | -- -- | | |
| | | | -- -- N | | | |
| | | | | 1 + I | | | | |
| | | | -- -- | | | |
| | | -- -- | | |
| | -- -- | |
| -- __ |
-- --
PMT = B * ( I / ( 1 - ( 1 / ( ( 1 + I ) ** N ) ) ) )
\**********************************************************************/
rDoLoanCalc:
/*Call Trace ?r*/
parse arg lbegbal, lrate, lfactor, lnumpay, fPD
/*lnumpay = lnumpay * lfactor;*/
b = lbegbal;
i = FORMAT(lrate / 100,9,6);
i = FORMAT(i / lfactor,9,6);
n = lnumpay;
ir = i + 1;
ir = FORMAT(ir ** n,9,6);
ir = FORMAT(1 / ir,9,6);
ir = FORMAT(1 - ir,9,6);
ir = FORMAT(i / ir,9,6);
p = FORMAT(b * ir,9,6);
wpia = b;
wpa = b;
tb = FORMAT(p * n,9,6);
wdpb = tb;
waib = FORMAT(tb - b,9,6);
wip = lrate;
wfp = lfactor;
wnop = n;
wpp = p;
/* Build Display Stem */
if fPD = 'N' then
do
d.1 =' '
d.2 =' <***********************************>'
d.3 =' <Principle : 'FORMAT(wpa,6,2)'>'
d.4 =' <Interest & Periods : 'FORMAT(wip,2,2)'% & 'FORMAT(wfp,2,0)'>'
d.5 =' <Number of Payments : 'FORMAT(wnop,3,0)'>'
d.6 =' <***********************************>'
d.7 =' '
d.8 =' Period Payment = 'FORMAT(wpp,4,2)
d.9 =' '
d.10=' Total Amount of Payments = ' FORMAT(wdpb,6,2)
d.11=' - Amount of Loan = ' FORMAT(wpia,6,2)
d.12=' ---------'
d.13=' Total Interest Payed = ' FORMAT(waib,6,2)
d.0 = 13;
end
/* Build Display Variables */
if fPD = 'Y' then
do
fDwpa = FORMAT(wpa,6,2)
fDwip = FORMAT(wip,2,2)
fDwfp = FORMAT(wfp,2,0)
fDwnop = FORMAT(wnop,3,0)
fDwpp = FORMAT(wpp,4,2)
fDwdpb = FORMAT(wdpb,6,2)
fDwpia = FORMAT(wpia,6,2)
fDwaib = FORMAT(waib,6,2)
/****
fDwpa = RIGHT(FORMAT(wpa,6,2),11,' ')
fDwip = FORMAT(wip,2,2)||'%'
fDwfp = FORMAT(wfp,2,0)
fDwnop = RIGHT(FORMAT(wnop,3,0),11,' ')
fDwpp = RIGHT(FORMAT(wpp,4,2),10,' ')
fDwdpb = RIGHT(FORMAT(wdpb,6,2),10,' ')
fDwpia = RIGHT(FORMAT(wpia,6,2),10,' ')
fDwaib = RIGHT(FORMAT(waib,6,2),10,' ')
***/
end
return
rLoadFuncs:
parse arg sRtn, sDll
rxrc = RxFuncAdd(sRtn, sDll, sRtn)
signal on syntax name xLoadFuncs
interpret 'Call 'sRtn
return 0
xLoadFuncs:
return 127