NEWYES Calculator de inginerie cu 417 funcții cu tablă de scris și stilou pentru studenți, profesori, ingineri, științe tehnice, sursă de alimentare duală solară și baterie

Scientific Calculator with Notepad: comes with a 6.5 inch tablet and a pen that allows you to take notes while calculating. You can press the erase button to erase the notes, and also pin them to keep them.
417 COMPUTER FUNCTIONS Includes fractions, statistics, complex number calculations, linear regression, basic arithmetic, computer science, standard deviations, polar rectangle conversions and more.
FOLDABLE AND PORTABLE: The notepad of the NEWYES calculator can be folded and the LCD screen doubles as a lid that closes for neat storage when you don't need it, and fits well in your pocket. It is ideal for students, engineers, teachers and professional researchers.
SOLAR POWERED: Solar panel + replaceable button cell for trouble-free testing and long battery life.
GOOD QUALITY NEWYES scientific calculator is durable and features high quality plastic buttons, which are more sensitive and accurate than silicone buttons.