Features scientific 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 foldableportable newyes 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 cellcr2032 that s included good quality newyes scientific calculator is durable and has premium plastic keys which are more sensitive and precise compared to silicone keys specifications model 991eslcd display 6 5 inchesbutton battery cr2032calculate funtions 417 functionssize 16 2cm 1 75cm 8 1cmpackage included 1 991es scientific calculator1 stylus pen1 manual
