Related Clues:

• A follower, sometimes
• Certain calculator symbol
• Perk
• Adder's word
• It's not the sign of the times?
• Positive thing
• Far from petite
• Positive quality
• 'Not only that ...'
• Cross with addition problems
• "But wait, there's more"
• Opposite of 9-Down
• Payment additional to the expected or usual
• Extra money paid on top of salary
• And, arithmetically