DetailsAcknowledge your happy union with an imaginative favor that sums up your sentiment "We Add Up". Let your guests "count the ways" with our diamond shaped novelty calculator that is destined to be a crowd favorite. Who can't use a little help with their calculating... at home and on the go! Comes in a gift box printed with a fun design that celebrates math. Add a personal touch by including your names on a coordinating Equation Card. Sold separately.