Matemática Financeira

27 de julho de 201728 de julho de 2017 MSX-Basic 0 comentários Aplicativos, Didáticos

Programa de cálculos diversos de matemática financeira, tais como cálculo de VALOR FUTURO, VALOR PRESENTE, VALOR DE PRESTAÇÃO, TAXA DE JUROS etc.

Teste o programa no WebMSX – The Online MSX Emulator

Fonte: Livro Coleção de Programas para MSX Volume 2
Editora: Aleph
Ano: 1986
Autor: Luiz Tarcísio de Carvalho Jr.

Código fonte

1000 ' MATEMATICA FINANCEIRA
1010 ' LUIZ TARCISIO DE CARVALHO JR
1020 '
1030 ON ERROR GOTO 2360
1040 KEYOFF:SCREEN 2:COLOR15,1,1
1050 OPEN"GRP:"FOR OUTPUT AS#1
1060 GOSUB2270
1070 COLOR3:PSET(10,125):PRINT#1,"Escolha o valor a ser calculado"
1080 COLOR15:X$=INPUT$(1):IFASC(X$)<49ORASC(X$)>53THENGOSUB2260:GOTO1080
1090 O=ASC(X$):GOSUB1120
1100 LINE(10,125)-(255,135),1,BF:PSET(30,125),1:COLOR3:PRINT#1,"Os valores conhecidos s±o:":COLOR8:PSET(30,140),1
1110 ONOGOTO1130,1260,1390,1520,1740
1120 O=O-48:ONOGOSUB2210,2220,2230,2240,2250:RETURN
1130 PRINT#1,"(A) [2],[4],[5]":PSET(30,155),1:PRINT#1,"(B) [3],[4],[5]"
1140 COLOR3:PSET(30,170),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>2THENGOTO1140
1150 ONOGOTO1160,1210
1160 GOSUB2300:GOSUB2010:GOSUB2030
1170 INPUT"Qual o VALOR FUTURO ";F
1180 R=F/X:GOSUB2060
1190 LOCATE12,12:PRINT"VALOR PRESENTE":LOCATEK,14:PRINT"Cz$ ";R$
1200 GOSUB2310:GOTO1160
1210 GOSUB2300:GOSUB2010:GOSUB2030
1220 INPUT"Qual o VALOR DA PRESTA€°O ";A
1230 R=A*(X-1)/(I*X):GOSUB2060
1240 LOCATE12,12:PRINT"VALOR PRESENTE":LOCATEK,14:PRINT"Cz$ ";R$
1250 GOSUB2310:GOTO1210
1260 PRINT#1,"(A) [1],[4],[5]":PSET(30,155),1:PRINT#1,"(B) [3],[4],[5]"
1270 COLOR3:PSET(30,170),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>2THENGOTO1270
1280 ONOGOTO1290,1340
1290 GOSUB2300:GOSUB2010:GOSUB2030
1300 INPUT"Qual o VALOR PRESENTE ";P
1310 R=P*X:GOSUB2060
1320 LOCATE13,12:PRINT"VALOR FUTURO":LOCATEK,14:PRINT"Cz$ ";R$
1330 GOSUB2310:GOSUB1290
1340 GOSUB2300:GOSUB2010:GOSUB2030
1350 INPUT"Qual o VALOR DA PRESTA€°O ";A
1360 R=A*(X-1)/I:GOSUB2060
1370 LOCATE13,12:PRINT"VALOR FUTURO":LOCATEK,14:PRINT"Cz$ ";R$
1380 GOSUB2310:GOTO1340
1390 PRINT#1,"(A) [1],[4],[5]":PSET(30,155),1:PRINT#1,"(B) [2],[4],[5]"
1400 COLOR3:PSET(30,170),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>2THENGOTO1400
1410 ONOGOTO1420,1470
1420 GOSUB2300:GOSUB2010:GOSUB2030
1430 INPUT"Qual o VALOR PRESENTE ";P
1440 R=P*I*X/(X-1):GOSUB2060
1450 LOCATE10,12:PRINT"VALOR DA PRESTA€°O":LOCATEK,14:PRINT"Cz$ ";R$
1460 GOSUB2310:GOTO1420
1470 GOSUB2300:GOSUB2010:GOSUB2030
1480 INPUT"Qual o VALOR FUTURO ";F
1490 R=F*I/(X-1):GOSUB2060
1510 GOSUB2310:GOTO1470
1520 PRINT#1,"(A) [1],[3],[5]":PSET(30,155),1:PRINT#1,"(B) [1],[2],[5]"
1530 COLOR3:PSET(30,170),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>2THENGOTO1530
1540 ONOGOTO1550,1660
1550 GOSUB2300:GOSUB2010
1560 LOCATE2,4:INPUT"Qual o VALOR PRESENTE ";P
1570 LOCATE2,6:INPUT"Qual o VALOR DA PRESTA€°O";A
1580 LOCATE2,8:INPUT"Qual o NUM. DE PER‰ODOS";N
1590 I=10:I2=0
1600 A1=(P*I*(1+I)^N)/((1+I)^N-1):A1=INT(A1*100+.5)/100:I3=ABS(I-I2)/2:I2=I:IFA=A1THEN1630
1610 IFA<A1THENI=I-I3ELSEI=I+I3
1620 GOTO1600
1630 J=INT(I*100000!+.5)/1000
1640 LOCATE10,12:PRINT"TAXA DE JUROS":LOCATE12,14:PRINTJ;"%"
1650 GOSUB2310:GOTO1550
1660 GOSUB2300:GOSUB2010
1670 LOCATE2,2:INPUT"Qual o VALOR PRESENTE ";P
1680 LOCATE2,4:INPUT"Qual o VALOR FUTURO ";F
1690 LOCATE2,6:INPUT"Qual o NUM. DE PER‰ODOS ";N
1700 I=(F/P)^(1/N)-1
1710 J=INT(I*100000!+.5)/1000
1720 LOCATE10,12:PRINT"TAXA DE JUROS":LOCATE12,14:PRINTJ"%"
1730 GOSUB2310:GOTO1660
1740 PRINT#1,"(A) [1],[4],[5]":PSET(30,155),1:PRINT#1,"(B) [3],[4],[5]":PSET(30,170),1:PRINT#1,"(C) [1],[2],[4]"
1750 COLOR3:PSET(30,185),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>3THENGOTO1750
1760 ONOGOTO1770,1850,1930
1770 GOSUB2300:GOSUB2010
1780 LOCATE2,2:INPUT"Qual o VALOR PRESENTE ";P
1790 LOCATE2,4:INPUT"Qual o VALOR DA PRESTA€°O";A
1800 LOCATE2,6:PRINT"Qual A TAXA DE JUROS":LOCATE3,7:INPUT"expressa em porcentagem";J
1810 I=J/100:N=(LOG(A)-LOG(I)-LOG(A/I-P))/LOG(1+I)
1820 N=INT(N*100+.5)/100
1830 LOCATE8,12:PRINT"N‹MERO DE PER‰ODOS":LOCATE12,14:PRINTN
1840 GOSUB2310:GOTO1770
1850 GOSUB2300:GOSUB2010
1860 LOCATE2,2:INPUT"Qual o VALOR FUTURO";F
1870 LOCATE2,4:INPUT"Qual o VALOR DA PRESTA€°O";A
1880 LOCATE2,6:INPUT"Qual A TAXA DE JUROS":LOCATE3,7:INPUT"expressa em porcentagem";J
1890 I=J/100:N=LOG(F*I/A+1)/LOG(I+1)
1900 N=INT(N*100+.5)/100
1910 LOCATE8,12:PRINT"N‹MERO DE PER‰ODOS":LOCATE12,14:PRINTN
1920 GOSUB2310:GOTO1850
1930 GOSUB2300:GOSUB2010
1940 LOCATE2,2:INPUT"Qual o VALOR PRESENTE ";P
1950 LOCATE2,4:INPUT"Qual o VALOR FUTURO ";F
1960 LOCATE2,2:INPUT"Qual a taxa de juros":LOCATE3,7:INPUT"expressa em porcentagem";J
1970 I=J/100:N=LOG(F/P)/LOG(1+I)
1980 N=INT(N*100+.5)/100
1990 LOCATE8,12:PRINT"N‹MERO DE PER‰ODOS":LOCATE12,14:PRINTN
2000 GOSUB2310:GOTO1930
2010 PRINTSTRING$(39,219):LOCATE0,22:PRINTSTRING$(39,219);
2020 RETURN
2030 LOCATE2,2:PRINT"Qual a taxa de juros":LOCATE3,3:INPUT"expressa em porcentagem";J
2040 LOCATE2,5:INPUT"Qual o n£mero de per¡odos";N
2050 I=J/100:X=(1+I)^N:LOCATE2,7:RETURN
2060 R=INT(R*100+.5)/100
2070 R$=STR$(R):K=LEN(R$):FORU=2TOK-1:IFMID$(R$,U,1)="E"ORMID$(R$,U,1)="D"THEN RETURN
2080 NEXTU
2090 C$="":IFR=INT(R)THENGOTO2130
2100 R$=STR$(R):IFMID$(R$,LEN(R$)-1,1)="."THENC$=","+RIGHT$(R$,1)+"0":GOTO2120
2110 C$=","+RIGHT$(R$,2)
2120 R=INT(R):GOTO2140
2130 C$=",00"
2140 R$=STR$(R):R$=MID$(R$,2):H$=""
2150 K=LEN(R$):IFK<=3THENH$=R$:GOTO2190
2160 NP=INT(K/3):RE=K-NP*3
2170 IFRE=0THENFORSS=1TOK-3STEP3:FORS=SSTOSS+2:H$=H$+MID$(R$,S,1):NEXTS:H$=H$+".":NEXTSS:H$=H$+RIGHT$(R$,3):GOTO2190
2180 H$=LEFT$(R$,RE):FORSS=RE+1TOKSTEP3:H$=H$+".":FORS=SSTOSS+2:H$=H$+MID$(R$,S,1):NEXTS:NEXTSS
2190 IFR=0THENH$="0"
2200 R$=H$+C$:K=LEN(R$):K=(35-K)\2:RETURN
2210 PSET(30,35),1:PRINT#1,"[1] VALOR PRESENTE":RETURN
2220 PSET(30,50),1:PRINT#1,"[2] VALOR FUTURO":RETURN
2230 PSET(30,65),1:PRINT#1,"[3] VALOR DA PRESTA€°O":RETURN
2240 PSET(30,80),1:PRINT#1,"[4] TAXA DE JUROS":RETURN
2250 PSET(30,95),1:PRINT#1,"[5] N‹MERO DE PER‰ODOS":RETURN
2260 PSET(30,150),1:PRINT#1,"OP€°O INVALIDA":FORI=1TO800:NEXTI:LINE(70,150)-(190,160),1,BF:RETURN
2270 CLS:PSET(40,5),1:COLOR8:PRINT#1,"MATEM„TICA FINANCEIRA"
2280 COLOR7:GOSUB2210:GOSUB2220:GOSUB2230:GOSUB2240:GOSUB2250
2290 RETURN
2300 COLOR15,4:SCREEN0:WIDTH39:RETURN
2310 LOCATE0,19:PRINT"[ O ]   PARA OUTRA OP€°O"
2311 LOCATE0,20:PRINT"[ N ]   PARA NOVO C„LCULO"
2320 A$=INKEY$
2330 IFA$="O"ORA$="o"THENRUN
2340 IFA$="N"ORA$="n"THENRETURN
2350 GOTO2320
2360 COLOR15,8:CLS:LOCATE10,9:PRINT"VALOR(ES) INV„LIDO(S)":FORU=1TO1000:NEXTU:RUN

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1000 ' MATEMATICA FINANCEIRA

1010 ' LUIZ TARCISIO DE CARVALHO JR

1020 '

1030 ON ERROR GOTO 2360

1040 KEYOFF:SCREEN 2:COLOR15,1,1

1050 OPEN"GRP:"FOR OUTPUT AS#1

1060 GOSUB2270

1070 COLOR3:PSET(10,125):PRINT#1,"Escolha o valor a ser calculado"

1080 COLOR15:X$=INPUT$(1):IFASC(X$)<49ORASC(X$)>53THENGOSUB2260:GOTO1080

1090 O=ASC(X$):GOSUB1120

1100 LINE(10,125)-(255,135),1,BF:PSET(30,125),1:COLOR3:PRINT#1,"Os valores conhecidos s±o:":COLOR8:PSET(30,140),1

1110 ONOGOTO1130,1260,1390,1520,1740

1120 O=O-48:ONOGOSUB2210,2220,2230,2240,2250:RETURN

1130 PRINT#1,"(A) [2],[4],[5]":PSET(30,155),1:PRINT#1,"(B) [3],[4],[5]"

1140 COLOR3:PSET(30,170),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>2THENGOTO1140

1150 ONOGOTO1160,1210

1160 GOSUB2300:GOSUB2010:GOSUB2030

1170 INPUT"Qual o VALOR FUTURO ";F

1180 R=F/X:GOSUB2060

1190 LOCATE12,12:PRINT"VALOR PRESENTE":LOCATEK,14:PRINT"Cz$ ";R$

1200 GOSUB2310:GOTO1160

1210 GOSUB2300:GOSUB2010:GOSUB2030

1220 INPUT"Qual o VALOR DA PRESTA€°O ";A

1230 R=A*(X-1)/(I*X):GOSUB2060

1240 LOCATE12,12:PRINT"VALOR PRESENTE":LOCATEK,14:PRINT"Cz$ ";R$

1250 GOSUB2310:GOTO1210

1260 PRINT#1,"(A) [1],[4],[5]":PSET(30,155),1:PRINT#1,"(B) [3],[4],[5]"

1270 COLOR3:PSET(30,170),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>2THENGOTO1270

1280 ONOGOTO1290,1340

1290 GOSUB2300:GOSUB2010:GOSUB2030

1300 INPUT"Qual o VALOR PRESENTE ";P

1310 R=P*X:GOSUB2060

1320 LOCATE13,12:PRINT"VALOR FUTURO":LOCATEK,14:PRINT"Cz$ ";R$

1330 GOSUB2310:GOSUB1290

1340 GOSUB2300:GOSUB2010:GOSUB2030

1350 INPUT"Qual o VALOR DA PRESTA€°O ";A

1360 R=A*(X-1)/I:GOSUB2060

1370 LOCATE13,12:PRINT"VALOR FUTURO":LOCATEK,14:PRINT"Cz$ ";R$

1380 GOSUB2310:GOTO1340

1390 PRINT#1,"(A) [1],[4],[5]":PSET(30,155),1:PRINT#1,"(B) [2],[4],[5]"

1400 COLOR3:PSET(30,170),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>2THENGOTO1400

1410 ONOGOTO1420,1470

1420 GOSUB2300:GOSUB2010:GOSUB2030

1430 INPUT"Qual o VALOR PRESENTE ";P

1440 R=P*I*X/(X-1):GOSUB2060

1450 LOCATE10,12:PRINT"VALOR DA PRESTA€°O":LOCATEK,14:PRINT"Cz$ ";R$

1460 GOSUB2310:GOTO1420

1470 GOSUB2300:GOSUB2010:GOSUB2030

1480 INPUT"Qual o VALOR FUTURO ";F

1490 R=F*I/(X-1):GOSUB2060

1510 GOSUB2310:GOTO1470

1520 PRINT#1,"(A) [1],[3],[5]":PSET(30,155),1:PRINT#1,"(B) [1],[2],[5]"

1530 COLOR3:PSET(30,170),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>2THENGOTO1530

1540 ONOGOTO1550,1660

1550 GOSUB2300:GOSUB2010

1560 LOCATE2,4:INPUT"Qual o VALOR PRESENTE ";P

1570 LOCATE2,6:INPUT"Qual o VALOR DA PRESTA€°O";A

1580 LOCATE2,8:INPUT"Qual o NUM. DE PER‰ODOS";N

1590 I=10:I2=0

1600 A1=(P*I*(1+I)^N)/((1+I)^N-1):A1=INT(A1*100+.5)/100:I3=ABS(I-I2)/2:I2=I:IFA=A1THEN1630

1610 IFA<A1THENI=I-I3ELSEI=I+I3

1620 GOTO1600

1630 J=INT(I*100000!+.5)/1000

1640 LOCATE10,12:PRINT"TAXA DE JUROS":LOCATE12,14:PRINTJ;"%"

1650 GOSUB2310:GOTO1550

1660 GOSUB2300:GOSUB2010

1670 LOCATE2,2:INPUT"Qual o VALOR PRESENTE ";P

1680 LOCATE2,4:INPUT"Qual o VALOR FUTURO ";F

1690 LOCATE2,6:INPUT"Qual o NUM. DE PER‰ODOS ";N

1700 I=(F/P)^(1/N)-1

1710 J=INT(I*100000!+.5)/1000

1720 LOCATE10,12:PRINT"TAXA DE JUROS":LOCATE12,14:PRINTJ"%"

1730 GOSUB2310:GOTO1660

1740 PRINT#1,"(A) [1],[4],[5]":PSET(30,155),1:PRINT#1,"(B) [3],[4],[5]":PSET(30,170),1:PRINT#1,"(C) [1],[2],[4]"

1750 COLOR3:PSET(30,185),1:PRINT#1,"Escolha a op‡±o":Y$=INPUT$(1):O=ASC(Y$)-64:IFO<1ORO>3THENGOTO1750

1760 ONOGOTO1770,1850,1930

1770 GOSUB2300:GOSUB2010

1780 LOCATE2,2:INPUT"Qual o VALOR PRESENTE ";P

1790 LOCATE2,4:INPUT"Qual o VALOR DA PRESTA€°O";A

1800 LOCATE2,6:PRINT"Qual A TAXA DE JUROS":LOCATE3,7:INPUT"expressa em porcentagem";J

1810 I=J/100:N=(LOG(A)-LOG(I)-LOG(A/I-P))/LOG(1+I)

1820 N=INT(N*100+.5)/100

1830 LOCATE8,12:PRINT"N‹MERO DE PER‰ODOS":LOCATE12,14:PRINTN

1840 GOSUB2310:GOTO1770

1850 GOSUB2300:GOSUB2010

1860 LOCATE2,2:INPUT"Qual o VALOR FUTURO";F

1870 LOCATE2,4:INPUT"Qual o VALOR DA PRESTA€°O";A

1880 LOCATE2,6:INPUT"Qual A TAXA DE JUROS":LOCATE3,7:INPUT"expressa em porcentagem";J

1890 I=J/100:N=LOG(F*I/A+1)/LOG(I+1)

1900 N=INT(N*100+.5)/100

1910 LOCATE8,12:PRINT"N‹MERO DE PER‰ODOS":LOCATE12,14:PRINTN

1920 GOSUB2310:GOTO1850

1930 GOSUB2300:GOSUB2010

1940 LOCATE2,2:INPUT"Qual o VALOR PRESENTE ";P

1950 LOCATE2,4:INPUT"Qual o VALOR FUTURO ";F

1960 LOCATE2,2:INPUT"Qual a taxa de juros":LOCATE3,7:INPUT"expressa em porcentagem";J

1970 I=J/100:N=LOG(F/P)/LOG(1+I)

1980 N=INT(N*100+.5)/100

1990 LOCATE8,12:PRINT"N‹MERO DE PER‰ODOS":LOCATE12,14:PRINTN

2000 GOSUB2310:GOTO1930

2010 PRINTSTRING$(39,219):LOCATE0,22:PRINTSTRING$(39,219);

2020 RETURN

2030 LOCATE2,2:PRINT"Qual a taxa de juros":LOCATE3,3:INPUT"expressa em porcentagem";J

2040 LOCATE2,5:INPUT"Qual o n£mero de per¡odos";N

2050 I=J/100:X=(1+I)^N:LOCATE2,7:RETURN

2060 R=INT(R*100+.5)/100

2070 R$=STR$(R):K=LEN(R$):FORU=2TOK-1:IFMID$(R$,U,1)="E"ORMID$(R$,U,1)="D"THEN RETURN

2080 NEXTU

2090 C$="":IFR=INT(R)THENGOTO2130

2100 R$=STR$(R):IFMID$(R$,LEN(R$)-1,1)="."THENC$=","+RIGHT$(R$,1)+"0":GOTO2120

2110 C$=","+RIGHT$(R$,2)

2120 R=INT(R):GOTO2140

2130 C$=",00"

2140 R$=STR$(R):R$=MID$(R$,2):H$=""

2150 K=LEN(R$):IFK<=3THENH$=R$:GOTO2190

2160 NP=INT(K/3):RE=K-NP*3

2170 IFRE=0THENFORSS=1TOK-3STEP3:FORS=SSTOSS+2:H$=H$+MID$(R$,S,1):NEXTS:H$=H$+".":NEXTSS:H$=H$+RIGHT$(R$,3):GOTO2190

2180 H$=LEFT$(R$,RE):FORSS=RE+1TOKSTEP3:H$=H$+".":FORS=SSTOSS+2:H$=H$+MID$(R$,S,1):NEXTS:NEXTSS

2190 IFR=0THENH$="0"

2200 R$=H$+C$:K=LEN(R$):K=(35-K)\2:RETURN

2210 PSET(30,35),1:PRINT#1,"[1] VALOR PRESENTE":RETURN

2220 PSET(30,50),1:PRINT#1,"[2] VALOR FUTURO":RETURN

2230 PSET(30,65),1:PRINT#1,"[3] VALOR DA PRESTA€°O":RETURN

2240 PSET(30,80),1:PRINT#1,"[4] TAXA DE JUROS":RETURN

2250 PSET(30,95),1:PRINT#1,"[5] N‹MERO DE PER‰ODOS":RETURN

2260 PSET(30,150),1:PRINT#1,"OP€°O INVALIDA":FORI=1TO800:NEXTI:LINE(70,150)-(190,160),1,BF:RETURN

2270 CLS:PSET(40,5),1:COLOR8:PRINT#1,"MATEM„TICA FINANCEIRA"

2280 COLOR7:GOSUB2210:GOSUB2220:GOSUB2230:GOSUB2240:GOSUB2250

2290 RETURN

2300 COLOR15,4:SCREEN0:WIDTH39:RETURN

2310 LOCATE0,19:PRINT"[ O ] PARA OUTRA OP€°O"

2311 LOCATE0,20:PRINT"[ N ] PARA NOVO C„LCULO"

2320 A$=INKEY$

2330 IFA$="O"ORA$="o"THENRUN

2340 IFA$="N"ORA$="n"THENRETURN

2350 GOTO2320

2360 COLOR15,8:CLS:LOCATE10,9:PRINT"VALOR(ES) INV„LIDO(S)":FORU=1TO1000:NEXTU:RUN

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