Related Clues:

• Puts two and two together?
• Tosses in
• Uses a certain kitchen appliance
• Uses postscripts
• Combinations
• Mixes together
• Computes columns
• Elaborates
• Sums it up
• Folds in
• Mixes in
• Foots a column
• Find a sum
• Makes sense, with "up"
• Calculates the total