Heavy-duty portable clipboard with calculator doubles as a briefcase. Ergonomic hand grips let you carry it easily. Large capacity of this sturdy plastic clipboard offers room for papers, forms & notepads. Heavy-duty, low-profile clip includes a built-in calculator that is powered by solar & battery (included). Built-in filing pockets are perfect for CDs, business cards & papers. Three separate external filing compartments can be used for pens & other small items (one is magnetized to hold clips in place).