my $score = 1 / $denominator;
    my $result = nearest(.0001, $score);

##</code><code>##

PNA_Score
0.0928
0.1171
0.0563
0.0563
0.0895
0.0685

##</code><code>##

> db.scores.find( {ScoreName: "PNA" }, {Score: 1})
{ "_id" : ObjectId("5194e668f31ef5f450000097"), "Score" : 0.09280000000000001 }
{ "_id" : ObjectId("5194e668f31ef5f450000099"), "Score" : 0.11710000000000001 }
{ "_id" : ObjectId("5194e668f31ef5f45000009b"), "Score" : 0.0563 }
{ "_id" : ObjectId("5194e668f31ef5f45000009d"), "Score" : 0.22790000000000002 }
{ "_id" : ObjectId("5194e668f31ef5f45000009f"), "Score" : 0.26890000000000003 }
{ "_id" : ObjectId("5194e668f31ef5f4500000a1"), "Score" : 0.2535 }
{ "_id" : ObjectId("5194e668f31ef5f4500000a3"), "Score" : 0.1625 }
{ "_id" : ObjectId("5194e668f31ef5f4500000a5"), "Score" : 0.3165 }