Related Clues:

• Increase, augmentation
• Simple kind of arithmetic
• Calculation of the sum
• 'Increase, augmentation (8)'
• The combination of numbers to find the sum
• You might get in this too
• Just put it on - one more on the end
• More the sound of copies of the book
• What's more, a divine gets it with one on the end
• How divine to get it too with 14 down!
• In this, too plus
• That's more like it
• This would never nonplus one
• This would never nonplus you
• In this tooo it's a plus