Related Clues:

• Chimes in
• Mixes thoroughly
• Calculates a total
• Amalgamates
• Mixes smoothly
• Performs basic arithmetic
• Tots up
• Gets to the bottom line
• Uses the "+" function
• Chimes in with
• Does sum things
• Coalesces
• Extends, with "to"
• Mixes, like tea
• Aggregates or appends