RosettaCodeData/Task/Fibonacci-sequence/GW-BASIC/fibonacci-sequence-1.basic

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10 ' SAVE"FIBONA", A
20 ' Secuencia de Fibonacci
30 ' Var
40 DEFDBL D
50 IMAXFIBO% = 76
60 DNUM1 = 1: DNUM2 = DNUM1
70 CLS
80 PRINT "Este programa calcula la serie de Fibonacci."
90 PRINT DNUM1; DNUM2;
100 FOR I% = 1 TO IMAXFIBO%
110 DNUM3 = DNUM1 + DNUM2
120 PRINT DNUM3;
130 DNUM1 = DNUM2: DNUM2 = DNUM3
140 NEXT I%
150 PRINT
160 PRINT "Fin de la ejecución del programa."
170 END