Scientific Calculator with Notepad,ROATEE Middle and High School Supplies for Students & College,82 MS Foldable 2-Line Display Science Calculator with Writing Tablet,Solar and Battery Powered

【Scientific Calculator with Writing Tablet】ROATEE calculator is equipped with a 6.5 inches LCD writing tablet,helping you take notes while calculating even without a paper.
【240 Functions】Our professional science calculator covers 240 functions,including basic,scientific and statistical calculations,which can complete most computing issues.Suitable for students for exam.
【Foldable and Portable】Pocket calculator weighs only 5.0oz.It can be folded as half size,so that you can put it in your schoolbag,briefcase easily.
【Solar and Battery Powered】CR2032 battery is built in the scientific calculator and it can be replaced.It can also be powered by solar energy.No need to worry about running out of power.
【Locked and Unlocked Position】Slide the button to the locked position to keep your notes.If you want to erase them,please change to the unlocked position,and click reset keys to erase your notes.