area=side*side; num[3]=area;
diag=Math.sqrt(side*side*2);num[4]=diag;
height=side;num[5]=height;
perim=side*4;num[6]=perim;
num[7]=90;
num[8]=90;
num[9]=0;
}
if (swtch==2){
diag=document.form2.inp2a.value;
side=Math.sqrt((diag*diag)/2);
area=side*side;num[3]=area;
num[4]=side;
height=side;num[5]=height;
perim=side*4;num[6]=perim;
num[7]=90;num[8]=90;num[9]=0;
}
if (swtch==3){
sideA=document.form2.inp0a.value;
sideB=document.form2.inp1a.value;
area=sideA*sideB;num[3]=area;
diag=Math.sqrt(sideA*sideA + sideB*sideB);num[4]=diag;
height=sideA;height=height*1;num[5]=height;
perim=sideA*2 + sideB*2;num[6]=perim;
num[7]=90;num[8]=90;num[9]=0;
}
if (swtch==4){
side=document.form2.inp1a.value;
angA=document.form2.inp2a.value;if (angA>90){angA=180-angA};
angA=angA*1;
halfangA=(angA/2);
height=Math.sin((angA*Math.PI)/180)*side;num[6]=height;
area=side*height;num[3]=area;
halfdiag=side*Math.sin((halfangA*Math.PI)/180);diag1=2*halfdiag;num[4]=diag1;
diag2=2*Math.sqrt(side*side - halfdiag*halfdiag);num[5]=diag2;
perim=side*4; num[7]=perim;
num[8]=angA;num[9]=(180-angA);
}
if (swtch==5){
sideA=document.form2.inp0a.value;
sideB=document.form2.inp1a.value;
sideA=sideA*1;sideB=sideB*1;
{if (sideA > sideB){sideB=document.form2.inp0a.value;sideA=document.form2.inp1a.value}}
angA=document.form2.inp2a.value;angA=angA*1;if (angA>90){angA=180-angA};
height=sideA*Math.sin(angA*Math.PI/180);num[6]=height;
area=sideB*height;num[3]=area;
xlen=sideA*Math.cos((angA*Math.PI)/180);
diag1=(sideB-xlen*-1)*(sideB-xlen*-1)+(height*height);
diag1=Math.sqrt(diag1);num[4]=diag1;
diag2=(sideB-xlen)*(sideB-xlen)+(height*height);
diag2=Math.sqrt(diag2);num[5]=diag2;
perim=(sideA*2 + sideB*2);num[7]=perim;document.form2.inp7a.value=perim;
num[8]=angA;num[9]=(180-angA);
}
sigfig=eval((document.box.b9.value)-1);
ct=3;
while(ct<10)
{
if (sigfig>-1){num[ct]=num[ct].toExponential(sigfig)}
if (num[ct]>.001 && num[ct]<1000){num[ct]=num[ct]*1}
ct=ct+1}
document.form2.inp3a.value=" "+num[3];
document.form2.inp4a.value=" "+num[4];
document.form2.inp5a.value=" "+num[5];
document.form2.inp6a.value=" "+num[6];
document.form2.inp7a.value=" "+num[7];
document.form2.inp8a.value=" "+num[8];
document.form2.inp9a.value=" "+num[9];
side=0;
sideA=0;
sideB=0;
xlen=0;
test1=0;
test2=0;
diag=0;
height=0;
area=0;
perim=0;
angA=0;
angB=0;
halfangA=0;
halfdiag=0;
}
-->