82MS Multifunctional Scientific Calculator: ROATEE professional science calculator covers 240 functions,including General math, Statistics and regressioncal culations, Scientific Functions, Scientific Computation and it has memory function calculation more user-friendly. Suitable for High/Middle School Students Scientific Calculator with Notepad: This scientific calculator for school and business intergrates calculation and notebook with a stylus pen. The lcd writing tablet enables you to take notes during the calculation, which do great help for study and work. 👉NOTE: Only Unlock the LOCK KEY will the writing area and the erase button work Ergonomic Design for Easy Use: Display angled to suit your sight and has a larger size and a clearer display making it easy to see whether you are holding it or laying it flat on a table.Large, well-spaced, responsive keys more comfortable to use and the clearance key is conveniently placed above the notepad for quick erasing, while the textured surface not only enhances the look but also prevents slipping. A smart addition to your aesthetic office supplies Slim, Portable, and Durable Design: Weighing just 5 ounces and designed to be compact like an iPhone 15, this foldable small calculator is easy to carry around. It features a drop-proof body and a built-in stylus that slides neatly into the side prevent loss making it ideal for the office, classroom, or business environments. It’s a cute school or office supplies for you Dual Power Solar Panel & Coin Battery: The replaceble coin battery is built in this scientific calculator. It is also powered by solar energy so you don't need to worry about battery depletion