💥The World’s Best Scientific Solar Calculator With Writing Board
💥The World’s Best Scientific Solar Calculator With Writing Board
Scientific calculator with writing board
With a 65mm wide writing board and a pen for taking notes while doing calculations. You can delete the notes by pressing the delete key or lock them to keep them.
Multiple calculation functions
Solve various arithmetic tasks with ease: basic operations, fractions, statistics with variables, arithmetic with complex numbers, factorization, linear regression, basic arithmetic, computer science, standard deviation, conversion of polar coordinates to rectangular coordinates and much more.
CHARACTERISTICS
- Dual charging with solar and battery power adapts to a variety of outdoor conditions and ensures the normal operation of the calculator.
- With the writing board you can record important data at any time.
- Large LCD display supports 10-digit display. Clear acrylic display for better readability.
- High quality silicone buttons that feel light for ease of use.
- Its foldable design makes it easy to store and carry. Suitable for students, office workers, teachers and professional researchers.
SPECIFICATIONS
Material: ABS + LCD-Display
Color: Black
Style: S3 (Dual power supply with solar and battery operation), S9 (Battery supply), T3 (Dual power supply with solar and battery operation), C5 (Battery supply)
Size: 160*78*128mm
Weight: 120g
Working temperature: 0-40℃
Battery Type: CR1220 (not included)
Writing strength: 150-300G
Package includes: 1 * Solar Scientific Calculator with Writing Board
A NOTICE
Please allow slight measurement errors due to manual measurement.
Due to the different monitor and light effects, the actual color of the item may vary slightly from the color shown in the pictures.
OUR GUARANTEE
OUR GUARANTEE
✈️ Insured Fast Shipping: Each order includes real-time tracking details and insurance coverage in the unlikely event that a package gets lost or stolen in transit.
👍 Money-Back Guarantee: If your items arrive damaged or become defective within 30 days of normal usage, we will gladly issue a replacement or refund.
📞 24/7 Customer Support: We have a team of live reps ready to help and answer any questions you have within a 24-hour time frame, 7 days a week.
🔒 Safe & Secure Checkouts: We use state-of-the-art SSL Secure encryption to keep your personal and financial information 100% protected.