# simple Perl programs

I am learning the basics of Perl and would like to have some extremely simple beginning programs to do minor computations such as quadratic formula, and possibly something for an easy text-based user interface.  I am in a hurry for this.  Thanks.
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Commented:
die "linear" if \$a == 0;
\$m = \$b**2 - 4*\$a*\$c;
if( \$m >= 0 ){
@roots=((-\$b + sqrt(\$m))/(2*\$a),(-\$b - sqrt(\$m))/(2*\$a));
print "real roots of \$a*x²+\$b*x+\$c=0: @roots\n";
}else{
use Math::Complex;
@roots=map{(\$b+\$_)/(2*\$a)}root(\$m,2);
print "complex roots of \$a*x²+\$b*x+\$c=0: @roots\n";
}
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Author Commented:
Thank you
0
Commented:
#@roots=map{(\$b+\$_)/(2*\$a)}root(\$m,2); #should have been
@roots=map{(-\$b+\$_)/(2*\$a)}root(\$m,2);
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Perl

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