Mini calculadora científica com prancheta para escrita, bloco de notas, memorando, eletrônicos de escritório, material 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