Introduction
Thank you for choosing the VAORLO 2-in-1 Foldable Scientific Calculator with 6-inch Writing Tablet. This innovative device combines the functionality of a scientific calculator with a digital writing pad, offering a versatile tool for students, professionals, and anyone needing quick calculations and note-taking. Its foldable design ensures portability, while the dual power supply and silent operation enhance user convenience. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your device.

Image: The VAORLO 2-in-1 Foldable Scientific Calculator and Writing Tablet, showcasing its solar energy feature and 10-digit display.
Product Features
- 2-in-1 Design: Integrates a scientific calculator with a 6-inch LCD writing tablet.
- 10-Digit Display: Clear and readable display for calculations.
- Foldable & Portable: Compact design (160mm x 78mm x 12mm when folded) for easy carrying.
- Dual Power Supply: Operates on solar energy and two button batteries (LR1120 for calculator, CR1220 for writing board).
- Silent Operation: High-quality silicone keys ensure quiet use.
- Repeatable Writing: LCD writing screen allows for one-click erase and repeated use, reducing paper waste.
- Eye Protection: No blue light LCD screen for comfortable viewing.
- Magnetic Stylus: Ergonomic stylus can be magnetically attached to the device to prevent loss.
- Pen Pressure Sensing: Allows for varying line thickness on the writing tablet.

Image: Key features of the VAORLO S9 Scientific Calculator, including 10-digit display, one-click erase, dual power, eye protection, environmental friendliness, and repeated writing.
Setup
- Unboxing: Carefully remove the calculator and stylus from its packaging.
- Initial Power Check: The device comes with built-in batteries. The calculator typically uses solar power in well-lit conditions. If the display is dim or unresponsive, ensure it's exposed to light or check the LR1120 battery.
- Stylus Attachment: The magnetic stylus can be attached to the side of the writing tablet for secure storage.
- First Use of Writing Tablet: Gently pull out the stylus. The writing tablet is ready for use. Press the "Clear" button (usually located below the writing area) to erase content.

Image: A user writing on the 6-inch LCD tablet while the calculator is open, demonstrating the solar panel and 10-digit display.
Operating Instructions
Calculator Functions
- Basic Operations: Use the number keys (0-9), decimal point (.), and arithmetic operators (+, -, ×, ÷) for standard calculations.
- Scientific Functions: Access functions like sin, cos, tan, log, square root (√), cube root, and scientific notation using the dedicated buttons. Refer to the button labels for specific functions.
- Memory Functions: Utilize M+, M-, RM (Recall Memory), and CM (Clear Memory) for complex calculations.
- Display: The 10-digit LCD displays results clearly.
- Power On/Off: The calculator typically powers on automatically when opened or a button is pressed. It may have an 'OFF' button or auto-shutoff feature.

Image: A close-up view of the calculator side, highlighting the silicone buttons, solar power panel, 10-digit display, and the clear button for the writing tablet.
Writing Tablet Functions
- Writing/Drawing: Use the provided stylus to write or draw on the 6-inch LCD screen. The screen is pressure-sensitive, allowing for variations in line thickness.
- Erase: Press the "Clear" button (usually a circular button below the writing area) to instantly erase all content from the writing tablet.
- Stylus Storage: When not in use, store the stylus magnetically on the side of the device.

Image: The magnetic stylus being attached to the side of the calculator, demonstrating its secure storage feature.
Maintenance
- Cleaning: Wipe the calculator and writing tablet surfaces with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Battery Replacement:
- The calculator uses an LR1120 button battery.
- The writing board uses a CR1220 button battery.
- To replace, locate the battery compartments (as shown in product images, typically on the back or side). These batteries can be replaced without screws. Gently open the compartment and replace the old battery with a new one, ensuring correct polarity.
- Storage: When not in use, fold the device to protect both the calculator keys and the writing tablet screen. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Stylus Care: Keep the stylus clean and free from debris. Ensure it is securely attached to the magnetic holder when not in use to prevent loss.

Image: Close-up of the battery compartments on the VAORLO calculator, indicating where the button batteries are located for replacement.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Calculator display is blank or dim. |
|
| Writing tablet does not erase. |
|
| Stylus not writing or lines are faint. |
|
| Cannot calculate square root, cube root, sin/cos/tan, or log. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | 2 IN 1 Scientific Calculators Writing Tablet |
| Max. Digits | 10 |
| Style | Scientific |
| Material | Plastic |
| Power Source | Dual Power Supply (Solar & Battery) |
| Battery Included | Yes |
| Applicable Battery Type | LR1120 (Calculator), CR1220 (Writing Board) |
| Writing Tablet Size | 6 inch |
| Product Size (Unopened) | 160mm x 78mm x 12mm |
| Product Size (Open) | 160mm x 156mm x 6mm |
| Weight | Approximately 0.12 kg (0.26 lbs) |
| Certification | CE |
| Origin | Mainland China |
User Tips
- Maximize Portability: Always fold the calculator when carrying it to protect both screens and keys. Its lightweight design makes it ideal for backpacks, pockets, or purses.
- Silent Operation: Take advantage of the silent silicone keys when working in quiet environments like libraries, classrooms, or meetings.
- Efficient Note-Taking: Use the one-click erase feature on the writing tablet for quick sketches, calculations, or temporary notes without wasting paper.
- Secure Stylus: Always reattach the magnetic stylus to its designated slot after use to prevent misplacement.
- Battery Longevity: While the device has dual power, ensure the solar panel is exposed to light when possible to extend the life of the button batteries.
Warranty and Support
This VAORLO product is designed for reliability and performance. For any questions, technical assistance, or support regarding your device, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase for any warranty claims.





