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program91
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2007-02-28
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591b
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25 lines
0010 // PROGRAM 91
0020 //
0030 // COMELY KATE
0040 //
0050 // TO SOLVE A QUADRATIC EQUATION
0060 //
0070 FUNC DISC(A,B,C)
0080 RETURN (B*B-4*A*C)
0090 ENDFUNC DISC
0100 //
0110 PRINT
0120 INPUT "ENTER COEFFICIENTS OF EQUATION A,B,C ": A,B,C
0130 PRINT
0140 DISCRIMINANT:=DISC(A,B,C)
0150 IF DISCRIMINANT<0 THEN
0160 PRINT "THE ROOTS ARE COMPLEX"
0170 ELIF DISCRIMINANT=0 THEN
0180 PRINT "THE ROOTS ARE EQUAL. THEY ARE BOTH=",(-B)/(2*A)
0190 ELSE
0200 X1:=(-B+SQR(DISCRIMINANT))/(2*A)
0210 X2:=(-B-SQR(DISCRIMINANT))/(2*A)
0220 PRINT "THE ROOTS ARE ",X1," AND ",X2
0230 ENDIF
0240 END