Scientific Calculator with Writing Tablet Engineering Scientific Calculator LCD Display Suitable for School Students Teachers and Business Use use of battery and solar energy Material: Plastic Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 150g Package size: 20x12x3.0cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) [More Functions] This Scientific Calculator Has More Functions Than Any Other Scientific Calculator On The Market. It Can Meet Almost All Your Daily Calculation Needs, Which Is Very Helpful For Your Study And Work. [Writing Tablet] - This Calculator Comes With A 6-inch Writing Tablet That Makes It Easy To Take Notes During Calculations, Phone Calls And Meetings. This Scientific Calculator Combines Calculations And A Notebook With A Stylus. The LCD Stylus Allows You To Take Notes During Calculations. [Foldable And Portable] - The Foldable Design Makes It Easy To Carry. You Can Put It In Your Bag, Pocket Or Even Purse. This Pocket Calculator Is Ideal For , School, Home Use, Etc. [LCD Display] - This desktop calculator features a large LCD display that clearly shows numbers and results. This desktop calculator features a two-line screen display, which enhances your study and work efficiency. [Combination of Scientific Calculator and Writeboard] - The stylus behind the calculator, calculate and record at any time, effectively learning and work efficiency, clear digit display for easy calculation. It contains 240 mathematical calculate functions which covers basic calculate, scientific function calculations, etc.