A combination of a handwritten blackboard and a calculator, with a 12-digit large screen for precise calculation. The erasable panel allows for real-time recording of calculations and to-do items. It features dual power supply modes for long-lasting battery life. It is ultra-thin and portable, suitable for students, offices, and households. Say goodbye to wasted paper and messy clutter, and achieve peak efficiency!

It is not only a fully functional desktop calculator with a 12-digit large-screen display, solar power + battery dual power supply, and professional keys such as M+, M-, GT, etc., but also an erasable electronic blackboard. When paired with a dedicated stylus, you can write down problem-solving steps, to-do items or inspiration fragments at any time. Just press a button to erase them, eliminating the problem of paper accumulation, making it both environmentally friendly and tidy.1. Student Party Exclusive 🎒
Don't panic during class calculations! Save a stack of scratch paper! 12 high-definition calculators + erasable blackboard. After doing the calculations in math class, directly write down the derivation process. The thought process won't be missed. Dual power supply mode. Solar energy can be used near the classroom window. The buttons are crisp and won't disturb, and you can use it for self-study and exams with peace of mind. The ultra-thin body can fit into your backpack without any problem. Say goodbye to the flying calculation papers forever!
2. Workplace Efficiency Style 💼
Calculate during meetings without any trouble! The large-screen calculator can accurately handle data. Just jot down the to-do items and key points of the meeting on the small blackboard, and clear them with one click. No more piles of sticky notes on the desktop. The thinking is clear and not chaotic. The matte texture of the body enhances the desktop style. Solar energy + battery dual power supply. Don't worry about power outages even when working late into the night.
3. Family Practical Style 🏠
Keep track of shopping and budgeting clearly! After calculating the living expenses, directly write down the budget details on the small blackboard. The elderly and children can understand it. The erasable panel can also be used as a message board, giving family members heartwarming reminders. Large buttons + large font, the elders can operate without any pressure. It is both a practical tool and a communication helper for the warm and cozy home.
4. Minimalist Artistic Style ✍️
Say goodbye to clutter and return to efficiency! One device solves both calculation and recording. The electronic blackboard replaces scratch paper. It is environmentally friendly and tidy. The smooth writing experience allows you to easily handle formulas, derivations, and inspiration doodles. The minimalist black body is compatible with various desktop styles and is an indispensable desktop item for those who pursue a high-quality lifestyle.
5. Value for Money Recommendation Style 🛒
A cup of奶茶 costs， get "calculation + handwriting" double buff！ 12 professional calculation functions + erasable electronic blackboard. Students， professionals， and housewives can all use it. Dual power supply mode + ultra-thin portable design. The value for money is directly full. Spend one yuan and get the experience of two devices. This round of investment is not a loss！