# ex_18-1 # Learning Perl on Win32 Systems, Exercise 18.1 use strict; use CGI qw(:standard); print header(), start_html("Add Me"); print h1("Add Me"); if(param()) { my $n1 = param('field1'); my $n2 = param('field2'); my $n3 = $n2 + $n1; print p("$n1 + $n2 = $n3\n"); } else { print hr(), start_form(); print p("First Number:", textfield("field1")); print p("Second Number:", textfield("field2")); print p(submit("add"), reset("clear")); print end_form(), hr(); } print end_html();