Related Clues:

• Cross with addition problems
• "But wait, there's more"
• Opposite of 9-Down
• Battery's negative terminal
• Negative battery terminal
• And, arithmetically
• In addition, also
• Positive and not a negative
• With the addition of
• There's something positively poetic about this
• No N in addition to this is enough to confound one
• That's positively poetic
• Positively, some poetry!
• Positively poetic
• In us there's no M, no less