Scientific Calculator with Notepad 991ES Black Science Calculator with Writing Tablet Foldable Scientific Calculators for High School College Students School Supplies
Powerful Calculation Functions: With 417 calculation functions, it can easily handle complex mathematical formulas, function operations, and data processing in scientific research, meeting the diverse calculation needs from middle school to college students and researchers
Convenient Writing Pad: The unique LCD writing pad design allows you to record ideas, formula derivations or important data during the calculation process. No need to prepare additional paper and pen
Dual Power Supply Modes: In outdoor or well-lit environments, the solar power supply can continuously provide energy for the calculator, which is environmentally friendly and practical.
Portable and Easy to Carry: The foldable design makes it compact and convenient to carry. Whether it is carried in a schoolbag to school or taken to the library or laboratory, it will not take up too much space
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
📌 Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
📌 How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
📌 How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
