Scienticfic Calculator Notepad With 6.5inch LCD Writing Tablet Pad and Pen Students Writing Tablet 991MS 991CNX 991ES

Features:
OOTDTY 
Scienticfic calculator with notepad 2 in 1 flip design, come with large lcd writing tablet and a pen, which allows you to take notes while calculating.
You can press the delete button to erase the notes, and also can lock it to keep them.
The calculator has all the buttons- you find on a standard scientific calculator, is very versatile, and can be used for children or even math majors. It contains more operations than basic scientific calculator, including integrals, derivatives, statistics and complex number calculations, etc.
Foldable & portable calculator notepad is foldable, closed to dust, easy to store, and easy to carry. for junior & high school students, college students, and professional researche
The main- screen is powered by solar where as the LCD requires a button cellCR2032) that is included.

Specifications:
Product Folded size: approx 162x81x175mm/6.38x3.19x6.89in
Types: 991ES/ 991MS/ 991CNX
LCD: 6.5inches
Net weight of product: 153g
Product gross weight: 255g
Material: Environmentally friendly ABS
Working temperature: 0-4 ℃
Input pressure 100x200g
Display panel: LCD flexible LCD screen calculator
Solar energy button cell CR2032
Font color: monochrome-bold handwriting
Reflectivity: 25% -3%

Package Includes:
1PC x LCD Calculator
1PC x Stylus-

Note:
Due to the problems of lighting effects and angles, there will be certain tolerances in the product, please understand.
Please allow 0-1cm error due to the manual measurment.