Anagrammer Crossword Solver is a powerful crossword puzzle resource site. We maintain millions of regularly updated crossword solutions, clues and answers of almost every popular crossword puzzle and word game out there. We encourage you to bookmark our puzzle solver as well as the other word solvers throughout our site. Explore deeper into our site and you will find many educational tools, flash cards and plenty more resources that will make you a much better player. This page shows you that ADD is a possible answer for Determine the sum of. You can also see that this clue and answer has appeared in these newspapers and magazines: October 20 2015 Universal, October 13 2015 Irish Times (Simplex) , October 11 2015 USA Today and more.