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FM Towns: Free Software Collection 7
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FM Towns Free Software Collection 7.iso
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fb386
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math
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gurafu.bas
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BASIC Source File
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1993-11-30
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975b
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38 lines
10 CLS
20 LINE (80,240)-(550,240),PSET,7
30 LINE (320,0)-(320,480) ,PSET,7
40 '
50 INPUT "増分値=",Z : IF Z=0 THEN 50
60 PRINT "Y=aX2のグラフ"
70 INPUT "色=",C
80 IF C=0 OR C=1 OR C=2 OR C=3 OR C=4 OR C=5 OR C=6 OR C=7 THEN 90 ELSE 70
90 INPUT "a=",A
100 IF A=<-100 THEN 50
110 IF A=>100 THEN 10
120 IF A=0 THEN 280
130 FOR I=0 TO 4.5! STEP Z
140 X=-I : Y=A*X*X
150 PSET (X*10+320,240-Y*10),C
160 NEXT I
170 FOR I=0 TO 4.5! STEP Z
180 X=I : Y=A*X*X
190 PSET (X*10+320,240-Y*10),C
200 NEXT I
210 GOTO 90
220 '
230 '
240 CLS
250 LINE (80,240)-(550,240),PSET,7
260 LINE (320,0)-(320,480) ,PSET,7
270 '
280 PRINT "Y=aX+bのグラフ"
290 INPUT "色=",C
300 IF C=0 OR C=1 OR C=2 OR C=3 OR C=4 OR C=5 OR C=6 OR C=7 THEN 310 ELSE 290
310 INPUT "a=", A
320 IF A=0 THEN 50
330 IF A>=100 THEN 240
340 INPUT "b=", B
350 LINE (320,240-B*10)-(640,240-320*A-B*10),PSET,C
360 LINE (320,240-B*10)-(0,240+320*A-B*10),PSET,C
370 GOTO 310