HIHUHEN Calculator with Writing Pad Solar & Battery Dual Power Supply 12 Digit Large Display for Business and Office Use (HY 666KA)

Dual-screen split design for double office efficiency: the large 12-digit display supports basic operations, percentage calculations, and memory storage functions (M+/M-/MR/MC), meeting office calculation needs such as financial reimbursement and data statistics. The 14 x 12.5 cm notepad offers a larger surface area than traditional sticky notes. With two stylus, it allows you to simultaneously save formulas, annotate data sources or draw simple graphs. The one-key erase feature helps organize written content quickly, while the screen lock button prevents accidental erasing, ensuring secure temporary note taking during meetings. 【Double power system for a long and stable battery life】Dual mode power supply for calculator: the solar panel automatically charges in sufficient light, switching to two AAA batteries (included) in covered or indoor environments. Smart switching requires no manual operation, ensuring double protection against sudden power failures during meetings. Energy-efficient design for handwritten writing: directly powered by the calculator batteries, the low-power technology synchronizes the pad's battery life with the calculator, eliminating the need for additional batteries and reducing the clutter of office accessories. 【Collapsible Stand + Dual Stylus Configuration: Optimized Experience for Details】Collapsible Rear Stand: The hidden rear stand positions the screen and notepad at the optimal viewing angle when placed upright, eliminating the need to bend over and reducing neck fatigue. Ideal for conference room projections or long-term office use. Dual Backup Pen - Two stylus pens are fixed on the left and right sides of the body, one for real-time note taking and the other as backup. They facilitate passes during team meetings, while the anti-slip design improves writing comfort. 【12 Digit Large Screen for More Accurate Desktop Calculations】HD Anti-Glare Screen: 12-digit display uses anti-glare technology, ensuring clear visibility under office lighting or strong sunlight outdoors. This prevents financial staff from straining their eyes when checking multi-digit accounts, increasing the efficiency of data processing. Clear feedback: the calculator features silent keys with sensitive pressure feedback, eliminating operational noise during meetings. The layout of the keys aligns with desktop usage habits, placing frequently used functions (e.g., %, M+) at your fingertips. 【Full Coverage of Office Scenarios: Balances Portability and Practicality】Professional and Office Use: Ideal for financial reimbursement and real-time data and decision-point recording during meetings, eliminating the hassle of switching between calculators and laptops. PORTABLE DESIGN - With a thickness of only 1.5cm, the foldable stand allows for easy storage in a briefcase, making it perfect for carrying during business trips or negotiations. Durable Materials: The body is made of wear-resistant ABS plastic, and the notepad surface is scratch-resistant, ensuring long-term office use without easy damage. It adapts to different office environments.