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

【Dual-screen Split Design for Doubled Office Efficiency】 The 12-digit large 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 14×12.5cm handwriting pad offers a larger area than traditional sticky notes. With two styluses, it allows simultaneous recording of formulas, annotation of data sources, or drawing simple charts. The one-key clear function quickly organizes written content, while the lock screen button prevents accidental erasure, ensuring secure temporary note-taking during meetings. 【Dual Power Supply System for Sustained & Stable Battery Life】Dual-mode Power for Calculator: The solar panel charges automatically in sufficient light, switching to two AAA batteries (included) in overcast or indoor environments. Smart power switching requires no manual operation, ensuring dual-power protection against sudden power outages during meetings.Energy-saving Design for Handwriting Pad: Directly powered by the calculator's batteries, low-power technology syncs the pad's battery life with the calculator, eliminating the need for extra batteries and reducing office accessory clutter. 【Foldable Stand + Dual Stylus Configuration: Detail-optimized Experience】Back-mounted Foldable Stand: The hidden stand on the back positions the screen and handwriting pad at the optimal viewing angle when placed upright, eliminating the need to hunch over and reducing cervical fatigue. Ideal for conference room projections or long-term desktop use.Dual Stylus Backup: Two styluses are fixed on the left and right sides of the body-one for real-time note-taking and one as a backup. They facilitate easy passing during team meetings, while the non-slip design enhances writing comfort. 【12-Digit Large Display for More Precise Office Calculations】 HD Anti-glare Screen: The 12-digit display employs anti-glare technology, ensuring clear visibility under office lighting or strong outdoor sunlight. This prevents financial staff from eye strain when verifying multi-digit accounts, boosting data processing efficiency.Clear Key Feedback: The calculator features silent-designed keys with sensitive press feedback, eliminating operational noise during meetings. The key layout aligns with office usage habits, placing frequently used functions (e.g., %, M+) within easy reach. 【Comprehensive Office Scenario Coverage: Balancing Portability & Practicality】Business & Office Use:Ideal for financial reimbursement and real-time recording of data and decision points during meetings, eliminating the hassle of switching between calculators and notebooks.Portable Design:With a slim thickness of only 1.6 cm, the foldable stand allows easy storage in briefcases, making it perfect for carrying during business trips or negotiations.Durable Materials:The body is made of wear-resistant ABS engineering plastic, and the writing pad surface is scratch-resistant, ensuring long-term office use without easy damage. It adapts to various office environments.