Mini calculadora científica con tableta de escritura, bloc de notas, bloc de notas, material de oficina y escolar 991es Ms EX

NEWYES Mini Scientific Calculator with Writing Tablet Calculators Notepad Memo Office Electronics School Supplies 991es Ms 82ms DESCRIPTION: Model name: NY-82MS,NY-991MS,NY-991ES [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. [82MS/240 Computing Functions,991MS/349 Computing Functions,991ES/417 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. 991MS 991ES 82MS