• 522 Calculation Functions: IPEPUL scientific calculator boasts 522 different calculation functions, spanning trigonometric, exponential, logarithmic, calculus, statistical, and algebraic domains. It supports calculations involving complex numbers, matrices, and vectors, meeting a wide array of scientific and engineering needs.
• Secure Locking Key: This scientific calculator, equipped with a notepad, facilitates simultaneous calculation and note-taking, thereby enhancing efficiency. The writing screen features a locking key to prevent accidental deletion of written content; unlocking the key allows for screen erasure.
• Rechargeable Battery and Solar Power: Utilizing solar power and Type-C charging, the calculator remains powered anytime, anywhere, eliminating the need for button battery replacements. Suitable for elementary, middle, and high school students, as well as college students, engineers, nurses, and teachers, it ensures uninterrupted usage over extended periods.
• Multifunctional Keyboard: The calculator is equipped with a keyboard containing scientific symbols and function keys, enabling easy execution of various calculations. Particularly beneficial for professionals such as teachers, engineers, and students who frequently engage in scientific computations, this calculator enhances calculation efficiency.
• The Best School Supplies: Scientific calculator with writing pad, this is an essential school supplies for middle/high school and college students, making it the perfect gift for your family to enhance their learning experience and foster a joyful learning environment.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item.

Warranty: 90 Day Woot Limited Warranty