NEWYES Scientific Engineering Calculator with Writing Tablet, 417 Functions, with Solar Battery, Upgrade 991ES, for…

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Scientific calculator with notepad: comes with a 6.5 inch writing tablet and pen, which allows you to take notes while calculating. You can press the delete button to erase the notes, and also lock it to keep them.
417 Computer Functions: Includes fractions, statistics, complex calculations of numbers, linear regression, basic arithmetic, computer science, standard deviations, polar-rectangular conversions, etc.
Foldable and portable: The notebook of the Newyes calculator can be folded and the LCD screen doubles up with a cover that closes to be stored neatly when you no longer need it, which fits well in your pocket. It is ideal for students, engineers, teachers and professional researchers.
Solar power: Solar panel + replaceable button cell for smooth testing and long battery life.
Good quality: the Newyes scientific calculator is durable and has high-quality plastic keys that are more sensitive and accurate than silicone keys.