Related Clues:

• Use the "=SUM" function, say
• Tack on song to iPod
• Do some arithmetic
• ''. . . above our poor power to __ or detract'': Gettysburg Address
• Opposite of subtract
• Put numbers together
• Do this to find a sum
• Do a math function
• Find a math sum
• Do some simple math
• Perform a math operation
• 2 + 2, e.g
• Make a sum
• Put a couple of things together
• Create sums