991EX Wetenschappelijke rekenmachine met schrijftablet en pen, 552 functies, voor studenten en professionals in de natuurkunde en wiskunde.

NEWYES 991 EX Scientific Calculator, with Writing Tablet and Pen, 552 Functions for Students and Professionals in Mathematics, Physics and Engineering About this item: [Innovative Scientific Calculator Design]NEWYES calculator comes with a 6.5" tablet and a pen, which allows you to take notes while calculating. [552 Computer Functions] Includes fractions, statistics, complex number calculations, linear regression, basic arithmetic, computer science, standard deviations, polar-rectangular conversions and more. [Foldable & Portable]NEWYES calculator notepad can fold   when you don't need it, fits well in your pocket. It is ideal for students, engineers, teachers and professional researchers. [Good Quality]NEWYES scientific calculator is durable and has premium plastic keys that are more sensitive and accurate than silicone keys.