NAME

            

              
              
Math::Expr::Num - Represents one number in a parsed expression tree
            
          

SYNOPSIS

            

              
              
require Math::Expr::Opp;
require Math::Expr::Var;
require Math::Expr::Num;
# To represent the expression "x+7":
$n=new Math::Expr::Opp("+");
$n->SetOpp(0,new Math::Expr::Var("x"));
$n->SetOpp(1,new Math::Expr::Num(7));
print $n->tostr . "\n";
            
          

DESCRIPTION

            

              
              
Used by the Math::Expr to represent numbers.
            
          

METHODS

$n=new Math::Expr::Num($num)

            

              
              
Creates a new representation of the number $num.
            
          

$n->tostr

            

              
              
Returns the string representation of the number which in perl is
the same as the number itsefle
            
          

$n->Copy

Returns a new copy of itself.

AUTHOR

            

              
              
Hakan Ardo <hakan@debian.org>
            
          

SEE ALSO

            

              
              
L<Math::Expr::Opp>