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SAMPDOC.DOC
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1989-03-22
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Joe:
When we were talking last week, you mentioned that you were thinking about
buying a house. I went through that exercise recently and wrote a BASIC
program to help me sort out my options. It lets you see how your monthly
payments would vary for different interest rates and lengths of mortgage.
Here it is:
100 PRINT:PRINT:INPUT "What principal amount";PRIN
110 PRINT:PRINT:PRINT USING "\ \ $$###,###";"Principal:",PRIN
120 PRINT:PRINT:PRINT " Monthly Payment vs. Years"
130 PRINT "Interest 20 25 30 35 40"
140 PRINT "-------- ------ ------ ------ ------ ------"
150 FMT$=" ##.## $$#,### $$#,### $$#,### $$#,### $$#,###"
160 FOR I=1 TO 10:RATE=9.5+.5*I
170 FOR J=1 TO 5:YEARS=15+5*J:GOSUB 500:PYM(J)=PAYM:NEXT J
180 PRINT USING FMT$;RATE,PYM(1),PYM(2),PYM(3),PYM(4),PYM(5):NEXT I
190 PRINT:PRINT:STOP
500 PAYM=PRIN*(RATE/1200)/(1-((1+RATE/1200)^(-YEARS*12))):RETURN
I have a few other programs that might help you out too.
Gary