Desktop Scientific Calculator with 6.5inch Erasable LCD Writing Tablet Multi-Functional Math Calculator

Features:
[Advanced Multi-Functional Scientific Calculator] - The 991ES scientific calculator offers a whopping 417 computing functions, providing the necessary tools to tackle both simple and complex mathematical problems. It outperforms most standard calculators on the market to cater for all your daily calculation needs. Featuring a high-definition dot matrix display (96*31), this calculator ensures clear and easy reading.
[Laptop-style Design with Integrated Notepad] - This unique scientific calculator also features a 6.5-inch writing tablet on its side, allowing you to jot down notes while performing calculations. With a handy stylus pen and note-locking button to prevent accidental erasure, studying or working has never been more seamless!
[Solar Powered and Battery Backup] - Equipped with a dual-power system, this scientific calculator operates on solar energy and includes a replaceable CR2032 coin battery as backup power source. You can perform your calculations with confidence, knowing that battery depletion won't interrupt your work.
[Durable ABS Material with Drop-Protection Feature] - The 991ES scientific calculator is made from high-quality ABS plastic which has undergone rigorous quality tests for durability, ensuring longevity of use. Its anti-drop design further enhances its robustness against accidental falls and helps maintain its pristine condition.
[Compact Portable for On-the-go Use] - Weighing just 151g (approximately 5 ounces), this lightweight scientific calculator is perfect for individuals who are always on the move! Its slim design fits conveniently in your pocket or bag, making it an ideal companion for business professionals and students alike.