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- 1010 CLS:LOCATE 5,19:PRINT "IBM"
- 1020 LOCATE 7,12,0:PRINT "Personal Computer"
- 1030 LOCATE 10,9,0:PRINT CHR$(213)+STRING$(21,205)+CHR$(184)
- 1040 LOCATE 11,9,0:PRINT CHR$(179)+" MORTGAGE "+CHR$(179)
- 1050 LOCATE 12,9,0:PRINT CHR$(179)+STRING$(21,32)+CHR$(179)
- 1060 LOCATE 13,9,0:PRINT CHR$(179)+" Version 1.21 "+CHR$(179)
- 1070 LOCATE 14,9,0:PRINT CHR$(212)+STRING$(21,205)+CHR$(190)
- 1071 LOCATE 16,5,0:PRINT "Modified to run under NitrousBasic"
- 1072 LOCATE 17,5,0:PRINT " By Adrian J. Michaud"
- 1080 LOCATE 19,4,0:PRINT "(C) Copyright IBM Corp 1981, 1982"
- 1090 LOCATE 23,7,0:PRINT "Press space bar to continue"
- 1100 IF INKEY$ <> "" THEN GOTO 1100
- 1110 CMD$ = INKEY$
- 1120 IF CMD$ = " " THEN GOTO 1150
- 1130 IF CMD$ =CHR$(27) THEN GOTO 1210
- 1140 GOTO 1110
- 1150 CLS:DIM AMORT[501,3]
- 1154 rem
- 1155 rem
- 1156 COLS=8
- 1158 rem
- 1160 GOSUB 1240
- 1170 IF ASC(I$)=27 THEN goto 1210
- 1180 IF MID$(I$,1,1)="2" THEN GOTO 2010
- 1190 IF MID$(I$,1,1)="1" THEN GOTO 1490
- 1200 GOTO 1160
- 1210 rem
- 1215 rem
- 1220 GOSUB 1470
- 1230 END
- 1240 REM
- 1250 CLS:PRINT " MORTGAGE ANALYSIS "
- 1260 LOCATE 3,1:PRINT "OPTIONS - "
- 1270 PRINT "1 - MORTGAGE PAYMENT COMPARISONS "
- 1280 PRINT "2 - MORTGAGE AMORTIZATION"
- 1290 PRINT "ESC KEY - EXIT"
- 1300 PRINT " "
- 1310 PRINT "OPTION NUMBER (1,2, OR ESC) =====>"
- 1330 PRINT " "
- 1340 rem
- 1350 PRINT CHR$(218)+STRING$(37,CHR$(196))+CHR$(191)
- 1360 PRINT CHR$(179)+" MORTGAGE PAYMENT COMPARISONS "+CHR$(179)
- 1370 PRINT CHR$(179)+" - USE THIS OPTION TO COMPARE "+CHR$(179)
- 1380 PRINT CHR$(179)+" THE MONTHLY PAYMENTS OF "+CHR$(179)
- 1390 PRINT CHR$(179)+" MORTGAGES AT VARIOUS RATES "+CHR$(179)
- 1400 PRINT CHR$(179)+" AND PRINCIPAL AMOUNTS. "+CHR$(179)
- 1410 PRINT CHR$(179)+" MORTGAGE AMORTIZATION "+CHR$(179)
- 1420 PRINT CHR$(179)+" - USE THIS OPTION TO CALCULATE "+CHR$(179)
- 1430 PRINT CHR$(179)+" THE PRINCIPAL AND INTEREST "+CHR$(179)
- 1440 PRINT CHR$(179)+" PAID OVER ANY 12 MONTH PERIOD. "+CHR$(179)
- 1450 PRINT CHR$(192)+STRING$(37,CHR$(196))+CHR$(217)
- 1460 LOCATE 8,37:PRINT " ":LOCATE 8,37
- 1461 I$=INKEY$:IF I$="" THEN goto 1461
- 1462 PRINT I$;:RETURN
- 1470 CLS:END
- 1480 PF = AF*(RF/(1-(1/((1+RF)^NF)))):return
- 1490 REM
- 1500 CLS:PRINT " MORTGAGE PAYMENT COMPARISON PROGRAM "
- 1510 LOCATE 10,1
- 1520 PRINT CHR$(218)+STRING$(37,CHR$(196))+CHR$(191)
- 1530 PRINT CHR$(179)+" MORTGAGE PAYMENT COMPARISONS "+CHR$(179)
- 1540 PRINT CHR$(179)+" - USE THIS OPTION TO COMPARE "+CHR$(179)
- 1550 PRINT CHR$(179)+" THE MONTHLY PAYMENTS OF "+CHR$(179)
- 1560 PRINT CHR$(179)+" MORTGAGES AT VARIOUS RATES "+CHR$(179)
- 1570 PRINT CHR$(179)+" AND PRINCIPAL AMOUNTS. "+CHR$(179)
- 1580 PRINT CHR$(179)+" "+CHR$(179)
- 1590 PRINT CHR$(179)+" NOTE: TO SELECT A VALUE OR AMOUNT "+CHR$(179)
- 1600 PRINT CHR$(179)+" ENTER THE APPROPRIATE VALUE "+CHR$(179)
- 1610 PRINT CHR$(179)+" AND PRESS THE ENTER KEY. "+CHR$(179)
- 1620 PRINT CHR$(192)+STRING$(37,CHR$(196))+CHR$(217)
- 1625 LOCATE 3,1:PRINT SPC(39);:PRINT "(1 TO 1000000 DOLLARS)";
- 1630 LOCATE 3,1:INPUT "ENTER BASE MORTGAGE AMOUNT ===> ",A$
- 1640 A = VAL(A$):IF (A < 1 OR A > 100000) THEN goto 1625
- 1650 AINC = 2000
- 1660 LOCATE 4,1:PRINT SPC(38);
- 1670 LOCATE 5,1:PRINT "(1 TO 35 PERCENT)";
- 1680 LOCATE 4,1:INPUT "ENTER BASE INTEREST RATE =====> ",IR$
- 1690 RR = VAL(IR$):IF RR>35 OR RR<1 THEN GOTO 1660
- 1700 R = RR/1200:RINC = .0025/12
- 1710 LOCATE 5,1:PRINT SPC(38);
- 1720 LOCATE 6,1:PRINT "(1 TO 35 YEARS)";
- 1730 LOCATE 5,1:INPUT "ENTER NUMBER OF YEARS IN MTG => ",Y$
- 1740 Y = VAL(Y$)
- 1750 N = Y * 12
- 1760 NF = N
- 1770 IF NF>420 OR NF<1 THEN GOTO 1710
- 1780 CLS
- 1790 PRINT " MONTHLY MORTGAGE PAYMENT COMPARISONS "
- 1800 LOCATE 3,10:PRINT Y$+"-YEAR MORTGAGE LOAN AMOUNTS";
- 1810 LOCATE 5,2:PRINT "RATES";
- 1820 FOR I = 0 TO COLS
- 1830 LOCATE 4,9+I*8:PRINT SPC(7):LOCATE 4,9+I*8:PRINT A+I*AINC
- 1840 NEXT I
- 1850 FOR I = 0 TO 14
- 1860 LOCATE 6+I,1:PRINT SPC(7):LOCATE 6+I,2
- 1870 PRINT INT(((R+(I*RINC))*120000)+.5)/100
- 1880 NEXT I
- 1890 rem
- 1900 FOR I = 0 TO 14
- 1910 RF = R+I*RINC:AF=1:GOSUB 1480
- 1920 FOR J = 0 TO COLS
- 1930 P = PF*(A+J*AINC):P = ((P+0.005)*100)/100
- 1935 IF P>10000 THEN LOCATE 22,1:PRINT "PAYMENTS TOO LARGE TO DISPLAY":GOTO 1980
- 1940 LOCATE 6+I,9+J*8:PRINT P;
- 1950 NEXT J
- 1960 NEXT I
- 1970 PRINT " "
- 1980 PRINT "PRESS SPACE BAR TO CONTINUE:";
- 1990 IF INKEY$ <> " " THEN GOTO 1990
- 2000 GOTO 1160
- 2010 REM
- 2020 rem
- 2030 CLS
- 2040 rem
- 2050 LOCATE 1,1
- 2060 PRINT " MORTGAGE AMORTIZATION PROGRAM "
- 2070 LOCATE 10,1
- 2080 PRINT CHR$(218)+STRING$(37,CHR$(196))+CHR$(191)
- 2090 PRINT CHR$(179)+" MORTGAGE AMORTIZATION "+CHR$(179)
- 2100 PRINT CHR$(179)+" - USE THIS OPTION TO CALCULATE "+CHR$(179)
- 2110 PRINT CHR$(179)+" THE PRINCIPAL AND INTEREST "+CHR$(179)
- 2120 PRINT CHR$(179)+" PAID OVER ANY 12 MONTH PERIOD. "+CHR$(179)
- 2130 PRINT CHR$(179)+" "+CHR$(179)
- 2140 PRINT CHR$(179)+" NOTE: TO SELECT A VALUE OR AMOUNT "+CHR$(179)
- 2150 PRINT CHR$(179)+" ENTER THE APPROPRIATE VALUE "+CHR$(179)
- 2160 PRINT CHR$(179)+" AND PRESS THE ENTER KEY. "+CHR$(179)
- 2170 PRINT CHR$(192)+STRING$(37,CHR$(196))+CHR$(217)
- 2175 LOCATE 3,1: PRINT SPC(39):PRINT "(1 TO 10000000 DOLLARS)";
- 2180 LOCATE 3,1
- 2190 INPUT "ENTER MORTGAGE AMOUNT ===> ",A$
- 2200 AF = VAL(A$): IF (AF < 1 OR AF > 100000) THEN goto 2175
- 2210 LOCATE 4,1
- 2220 PRINT " ";
- 2230 LOCATE 5,1
- 2240 PRINT "(1 TO 35 PERCENT)";
- 2250 LOCATE 4,1
- 2260 INPUT "ENTER INTEREST RATE =====> ",IR$
- 2270 RR = VAL(IR$)
- 2280 IF RR>35 THEN GOTO 2210
- 2290 IF RR<1 THEN GOTO 2210
- 2300 RF = RR/1200
- 2310 LOCATE 5,1
- 2320 PRINT " ";
- 2330 LOCATE 6,1
- 2340 PRINT "(1 TO 35 YEARS)";
- 2350 LOCATE 5,1
- 2360 INPUT "ENTER NUMBER OF YEARS ===> ",Y$
- 2370 Y = VAL(Y$)
- 2380 NF = Y * 12
- 2390 IF NF>420 THEN GOTO 2310
- 2400 IF NF<1 THEN GOTO 2310
- 2410 GOSUB 1480
- 2420 PF = ((PF+0.005)*100)/100: PF1 =INT((PF+0.005)*100)/100:
- 2430 PRINT "MONTHLY PAYMENTS ARE ====> ";PF1
- 2435 rem
- 2440 PRINT "CALCULATING AMORTIZATION"
- 2445 rem
- 2450 IF NF>36 THEN GOTO 2470
- 2460 FOR I = 1 TO 1000:NEXT I
- 2470 AMORT[0,1] = AF
- 2480 FOR I = 1 TO NF
- 2490 AMORT[I,2] = ((AMORT[I-1,1]*RF+0.005)*100)/100
- 2500 AMORT[I,1] = AMORT[I-1,1]-PF+AMORT[I,2]
- 2510 NEXT I
- 2520 FOR I = 7 TO 25:LOCATE I,1:PRINT SPC(79);:NEXT I
- 2530 LOCATE 9,1
- 2540 PRINT " - 1 TO "+STR$(NF)
- 2550 PRINT " - 0 TO END AMORTIZATION";
- 2560 LOCATE 7,1
- 2570 PRINT "ENTER BEGINNING PAYMENT NUMBER"
- 2580 INPUT "OF 12 MONTH PERIOD ======> ",PERIOD$
- 2590 PD= VAL(PERIOD$)
- 2600 IF PD <> 0 THEN GOTO 2620
- 2610 IF PERIOD$ <> "0" THEN GOTO 2560
- 2620 IF PD=0 THEN GOTO 1160
- 2630 IF PD>NF THEN GOTO 2560
- 2640 IF PD<0 THEN GOTO 2560
- 2650 LOCATE 7,1
- 2660 PRINT SPC(39)
- 2670 PRINT SPC(39)
- 2680 LOCATE 9,1
- 2690 PRINT "PYMNT";chr$(9);"PRINL";chr$(9);chr$(9);"INTEREST";chr$(9);"BALANCE"
- 2700 TINT = 0
- 2710 FOR I = PD TO PD+11
- 2711 IF I> NF THEN GOTO 2750
- 2720 TINT = TINT + AMORT[I,2]
- 2730 PRINT I;chr$(9);
- 2740 PRINT ABS(PF1-AMORT[I,2]);chr$(9);chr$(9);AMORT[I,2];chr$(9);chr$(9);AMORT[I,1]
- 2750 NEXT I
- 2760 PRINT " "
- 2770 PRINT "INTEREST FOR 12 PERIODS =";
- 2780 PRINT " ";TINT
- 2790 LOCATE 25,1
- 2800 PRINT "PRESS SPACE BAR TO CONTINUE:";
- 2810 rem
- 2820 IF INKEY$ <> "" THEN GOTO 2820
- 2830 CMD$ = INKEY$
- 2840 IF CMD$ = " " THEN GOTO 2520
- 2850 IF CMD$ =CHR$(27) THEN GOTO 1210
- 2860 GOTO 2830
-