1. Operation Christmas Bulk Items: This mini pocket calculator features 8 digits, 10 numeric keys, 3 memory keys, and function keys for addition, subtraction, multiplication, division, percentages, and square root. Suitable for math teaching and science courses. 2. Compact Convenience: Each package includes 20 compact black calculators, measuring approximately 3.9 x 2.3 x 0.4 inches. Lightweight and portable, it fits easily in your hand, backpack, or drawer for convenient storage. 3. Protective Cover and Keyring: These calculators include a protective cover to prevent accidental key presses. A built-in key ring allows easy attachment to a keychain or backpack. 4. Built to Last: Featuring scientifically designed buttons and a reliable reset function, this standard pocket-size calculator offers comfort and a smooth user experience. Its sturdy construction ensures durability. Batteries are pre-installed for immediate use. 5. Back to School Supplies for Students: This pocket-sized calculator is suitable for elementary school students. It can be used as a classroom tool, gift, or prize.