or download this
my $condNum = 0;
for $condNum ( 1 .. 10 ) {
...
}
datalog( value => $condNum, llim => 9.9, hlim => 10.1, name => 'number
+ of situations tested' );
datalog( value => fn(@results), llim => -2.7182818, hlim => 3.1415926,
+ name => 'result of those situations' )