Solala Calculator , portable smart office special function scientific solar calculator Scientific Calculator  (Matrix Display Digit)

1. 2-in-1 Calculator & Writing Pad – Integrated design of scientific calculator and LCD handwriting tablet allows calculating and note-taking at the same time. No need for extra paper and pens, effectively improving work and study efficiency for office and classroom use. 2. Solar Dual Power Supply – Adopts solar energy and button battery dual power supply system, energy-saving and durable. It can be charged and used under any light condition, avoiding sudden shutdown due to power shortage for long-term stable use. 3. Professional Scientific Calculation – Supports various functional and mathematical calculations, meeting daily computing needs of students, accountants, engineers and office workers. High-precision operation with clear 10-digit LCD display for accurate and readable data. 4. Reusable Eye-friendly Handwriting Board – Equipped with blue-light-free LCD writing screen, protecting your eyes during long-time use. Supports repeated writing and one-key clearing with screen lock function, preventing accidental deletion and ensuring convenient drafting and recording. 5. Ultra-portable & Durable Design – Lightweight foldable body saves storage space, easy to carry for business trips, study and outdoor use. Made of high-quality sturdy ABS material with anti-slip base, wear-resistant and drop-resistant for long daily service life.