NEWYES Engineering Scientific Calculator with Writing Tablet, 417 Function with Solar Battery, Professional Upgraded 991ES Plus Calculator Portable Notepad Back to School Supplies for Student, Teacher

【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 it. 【417 Computing Functions】 Include CALC, SOlVE, Base-N, EQN, MATRIX, MATRIX, TABLE, VECTOR, fractions, variable statistics, complex number calculations, linear regression, base arithmetic, computer science, standard deviation, and polar-rectangular conversions, etc.. 【More Sensitive Key】Adopt premium plastic material key, which makes it more sensitive and more precise than 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 storage, easy to carry. Ideal for junior & high school students, college students and professional researchers.