NEWYES NY-991ES Plus Scientific Calculator with Erasable LCD Writing Tablet

  [911ES Multifunctional Scientific Calculotor] - NEWYES scientific calculator features 417 computing functions, which is more than the common scientific calculator on the market. And this can meet almost all of your daily computing needs. [Scientific Calculator with Notepad] - This scientific calculator integrates calculations and an LCD writing tablet. The LCD writing tablet enables you to take notes during the calculation, which do great help for study and work. [Dual Power Solar & Battery] - The replaceable coin battery is built into this scientific calculator. It is also powered by solar energy so you don't need to worry about battery depletion. [Anti-Drop Body with High Durability] - The body of this scientific calculator undergoes rigorous quality tests. Due to the design of the anti-drop body, no need to worry about the damage by accidentally falling. [Lightweigh and Portable Design] - This lightweight scientific calculator only weighs 5 ounces. It can be easily put in you