OFFCUP Scientific Calculator, Engineering Scientific Calculators with 5" LCD Writing Tablet and Pen, 2-Line Display 2 in 1 Standard Calculator with 240 Functions, Folding Calculators for School Office

• 【LCD writing board】Built-in 5-inch LCD notepad, students can take notes directly on the writing board without using separate paper. The handwriting board has an erase button. You can click this erase button to clear the entire screen, write repeatedly, reduce paper consumption, and is very environmentally friendly and practical.
• 【Multi-function】The function calculator has 240 computer functions, including fractions, statistics, complex number calculations, linear regression, basic arithmetic, computer science, standard deviation, polar moment conversion, etc., which can complete most calculation problems. The double-line display can display the calculation formula and calculation results at the same time.
• 【Lightweight and portable】This lightweight calculator is foldable so that you can easily put it in your schoolbag or briefcase. Dust-proof and easy to store, the keyboard can be well protected. The portable size does not take up too much space and can be placed well.
• 【Sensitive keys】The keys of this calculator are made of high-quality materials, the keys are responsive, soft to the touch, and noiseless, so you won't disturb others when calculating data. After pressing the button, the corresponding numbers will be quickly saved and displayed on the screen, making your calculation process faster and smoother.
• 【Wide application】This scientific calculator is a very useful tool for various occasions, and is very suitable for use in businesses, offices, schools, libraries and other places. It is easy to use and suitable for all types of users, including students, teachers and business people. It is also a back-to-school learning supply and a perfect gift for students.

Features: 4 major function modes: regression calculation, statistical calculation, function calculation, general calculation (240 calculation functions) LED display: dual-line display can simultaneously display calculation formulas and calculation results Widely used: very suitable for enterprises, offices, schools, libraries and other places. Specifications: Width: 150mm Height: 128mm Writing board size: 5 inches Weight: 101g Power off mode: automatic Built-in button battery: 1220 Material: ABS Packing list: 1*Calculator (including handwriting board and pen) Note: Due to manual measurement, there may be a certain size error; Due to the shooting environment, there may be a certain color difference;