Professional Scientific Calculator with LCD Notepad 417 Functions

NEW 6.5 inch Solar Scientific Calculator with LCD Notepad, 417 Functions, Professional Portable Foldable Calculator for Students, Teacher, Engineer, Upgraded 991ES, with a Pen Included About this item 【Innovation】:Advanced idea of combining a calculator with an LCD notepad, There is a built in stylus to write with, which allows you to take notes while calculating. You can delete the notes by using the delete button, or you can lock it to save it. 【417 Functions】: The calculator has all the buttons you find on a standard scientific calculator, is very versatile, and can be used for children or even math majors. It contains more operations than basic scientific calculator, including integrals, derivatives, statistics and complex number calculations, etc. 【Foldable & Portable】This Scientific Calculator Notepad can fold up and the LCD doubles as a cover that closes to put away neatly when you no longer require it, that fits nicely in your pocket. this is ideal for students, engineers, teachers and professional researchers. 【Solar panel + replaceable battery】the main screen is powered by solar where as the LCD requires a button cell CR2032) that's included. 【Good Quality】This Scientific calculator is durable and has premium plastic keys which are more sensitive and precise compared to silicone keys. Packing list: Scientific calculator; instruction manual. The tablet has a lifespan of more than 50,000 times. Size: 16.2cm*1.75cm*8.1cm Battery model: Cr2032. Ideal for junior & high school students, college students and professional researchers. The calculator for secondary school meets most of the mathematical needs of trigonometric functions, logarithms and antilogarithms, powers, factorials, permutations, combinations, statistics, angles, coordinates, etc.this calculator is the perfect birthday, valentine, christmas gift for students, teachers, professors, kids, friends, parents!