Royal XE12 12 Digit Calculator w/ Compact Case (Part 29303L) from ABC Office 12 digit display | Compact case design with one-touch opening | Handheld Calculator Battery power (389A x 1 Button Cell) | Auto shut off Full-function memory | Last digit erase key | Grand total key | Percent key | Square root key Item Dimensions: 0.25" x 3.375" x 5.375" | Part no. 29303L