Wetenschappelijke rekenmachine met schrijftablet 991MS 349 functies Technische en financiële rekenmachine voor schoolleerlingen

Scientific Calculator With Writing Tablet 991MS 349 Functions Engineering Financial calculator For School Students Office Solar DESCRIPTION: Model name: NY-991MS [Scienticfic Calculator with Notepad]Come with a 6.5-inch 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. [349 Computing Functions]Include fractions, statistics, complex number calculations, linear regression, base arithmetic, computer science, standard deviation, polar-rectangular conversions, etc.. [More Sensitive Key]Adopt a premium plastic material key, which makes it more sensitive and more precise than a silicone key. Comfortable to touch. [Solor Energy]Solar panel + replaceable button battery for smooth trial and long battery life. [Foldable & Portable]NEWYES Calculator Notepad is foldable, closed to dust, easy to store, and easy to carry. Ideal for junior & high school students, college students, and professional researchers.