<html>
<head>
<title>Ecuaciones de 2° Grado</title>
</head>
<script language =javascript>
<!--
function ResolverEc()
{
var Ea= parseInt(document.forms[0].Ea.value);
var Eb= parseInt(document.forms[0].Eb.value);
var Ec= parseInt(document.forms[0].Ec.value);
var E1= new Ec2gdo(Ea,Eb,Ec);
E1.Resolver(E1);
delete E1;
document.close();
}
function Ec2gdo(A,B,C)
{
this.a=A;
this.b=B;
this.c=C;
this.est=0;
this.x1=new Complejo();
this.x2=new Complejo();
this.Resolver=ResolverEc2gdo;
this.ResolverReal=Real;
this.ResolverImaginario=Imaginario;
this.AsString=AsString;
}
function ResolverEc2gdo()
{
var d=(this.b*this.b)-(4*this.a*this.c);
if(d>=0)
{
this.ResolverReal(d);
//this.AsString();
}
else
{
this.ResolverImaginario(d);
}
}
function Real(D)
{
var d=D;
var r=Math.sqrt(d);
this.x1.R=((this.b*-1)+r)/(2*this.a);
this.x2.R=((this.b*-1)-r)/(2*this.a);
this.est=0;
this.AsString();
}
function Imaginario(D)
{
var d=D;
d*=-1;
this.x1.R=(this.b*-1)/(2*this.a);
this.x1.I=Math.sqrt(d)/(2*this.a);
this.x2.R=this.x1.R;
this.x2.I=this.x1.I;
this.est=1;
this.AsString();
}
function AsString(res)
{
//var estado=est;
if(this.est==0)
{
alert('x1= '+this.x1.R+'\n'+'x2= '+this.x2.R);
}
else
{
alert('x1= '+ this.x1.R+' + '+this.x1.I+' i'+'\n'+'x2= '+this.x2.R+' - '+this.x2.I+' i')
}
delete x1;
delete x2;
}
function Complejo(R,I)
{
this.R=(R || 0);
this.I=(I || 0);
//this.Sumar=SumarComplejo;
//this.Restar=RestarComplejo;
//this.Multiplicar=MultiplicarComplejo;
//this.Dividir=DividirComplejo;
}
-->
</script>
<body bgcolor="#000000" link="#0000FF" vlink="#FF00FF">
<center><form><font color="#FFFFFF"><b>
Ecuación1 <input type="text" name="Ea" size="2"> x<sup>2</sup>
+ <input type="text" name="Eb" size="2"> x
+ <input type="text" name="Ec" size="2"> = 0</b></font>
<br><br><input type="button" value="Resolver" onClick="ResolverEc()"><br><br>
<input type="reset"><br><br><br><br><br></form>
<marquee bgcolor="#000000" direction="left" width="300">
<font color="#258D7D" face="Berlin Sans FB"><b>Ecuaciones 2° Grado</b></font>
</marquee></center><br><br><br>
</body>
</html>
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