Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Scientific Function Calculator With LCD Writing Tablet 12 Digits Line Display Office Learning Home Handwriting Multifunctional Calculator Feature: Product Name: Multifunctional Calculator Material: Rubber & Plastic Product color: Black,White,Blue Product size:16.2x8.2x1.83cm/6.38x3.23x0.72in Packing size: 17.5x11.4x2cm/6.89x4.49x0.79in Net weight：152g/0.335lbs Gross weight: 188g/0.414lbs Digits: 12 Battery modle:CR2025 Applicable scenarios: office data processing and work agenda arrangement, learning arithmetic and painting, household accounting and recording, engineering calculation and drawing, etc Description: Two functions in one: this is a new innovative calculator, a calculator with a writing board, which is convenient for recording.large screen display: 12 Digits, better vision, line LCD display. Accurate Calculation: Our basic office calculator has an independent calculation chip, which can quickly process multi-digit calculations and calculate accurately. Which improves the efficiency of work and study. LCD writing: Inkless Drawing/Memo Pads or Paperless Noting/Planning Boards. It can better serve your office and study. Silent Buttons: The handwriting basic calculator uses silicone buttons, and feel very comfortable, suitable for daily calculations. When office calculator in use, it is quiet and no noise, and when calculating, it will not disturb others. Perfect for home and office use: Foldable design, easy to carry. Performs common math as well as various financial functions, Perfect for both adults and students. Repeated writing and easy to, with just a gentle press, the writing and drawing marks are instantly cleared, efficient and without leaving any marks. The user-friendly locking disjunctor function prevents important information from being accidentally deleted by pressing the elimination button, can be written repeatedly for 5W+times Package Included: 1x lculator 1x Stylus 1x Manual Scientific Function Calculator With LCD Writing Tablet 12 Digits Line Display Office Learning Home Handwriting Multifunctional Calculator Feature: Product Name: Multifunctional Calculator Material: Rubber & Plastic Product color: Black,White,Blue