1. Introduction
Thank you for choosing the MAUL M8 8-Digit Solar Calculator. This compact and efficient calculator is designed for everyday use in office, home, and school environments. It features an 8-digit display, essential arithmetic functions, and a dual power source for reliable operation.

Image: The MAUL M8 8-Digit Solar Calculator in pink, held comfortably in a hand, showcasing its compact size and clear 8-digit display.
2. Product Overview
The MAUL M8 calculator combines functionality with a user-friendly design. Key features include:
- 8-Digit LCD Display: Clear, single-line display for easy reading.
- Dual Power Source: Operates on solar power in well-lit conditions and switches to battery power (LR1130) in low light.
- Essential Functions: Includes basic arithmetic (+, -, ×, ÷), percentage (%), and square root (√) calculations.
- Memory Functions: Features a 3-button memory (MRC, M-, M+) for storing and recalling values.
- Automatic Shut-off: Conserves energy by turning off automatically when not in use.
- Ergonomic Design: Compact size with rounded edges and rubberized buttons for comfortable handling and reduced slippage.
- Color-Coded Keys: Function keys are distinctively colored for quick identification.

Image: A close-up view of the MAUL M8 calculator, highlighting its 8-digit LCD display and the clearly labeled, color-coded function and number buttons.
3. Setup
The MAUL M8 calculator is designed for immediate use. Follow these steps for initial setup:
- Power Source: The calculator is equipped with both solar cells and a pre-installed LR1130 battery. In sufficient light, the calculator will operate using solar power. In dim conditions, it will automatically switch to battery power.
- First Use: Press the ON/C button to turn on the calculator. The display should show '0'.
- Battery Installation/Replacement: The LR1130 battery is typically pre-installed. If the display becomes dim or unresponsive in low light, the battery may need replacement. Refer to the Maintenance section for battery replacement instructions.
4. Operating Instructions
This section details the basic operations of your MAUL M8 calculator.
4.1 Basic Arithmetic Operations
- Addition (+): Enter the first number, press +, enter the second number, then press =.
- Subtraction (-): Enter the first number, press -, enter the second number, then press =.
- Multiplication (×): Enter the first number, press ×, enter the second number, then press =.
- Division (÷): Enter the first number, press ÷, enter the second number, then press =.
4.2 Special Functions
- Percentage (%): To calculate a percentage of a number (e.g., 10% of 50): Enter 50, press ×, enter 10, press %.
- Square Root (√): Enter the number, then press √.
- Change Sign (+/-): After entering a number, press +/- to change its sign from positive to negative or vice versa.
4.3 Memory Functions
The calculator includes a 3-button memory system:
- M+: Adds the displayed value to the memory.
- M-: Subtracts the displayed value from the memory.
- MRC: Press once to recall the memory value. Press twice to clear the memory.
4.4 Clearing Entries
- CE (Clear Entry): Clears the last entered number or calculation, allowing you to correct mistakes without clearing the entire operation.
- ON/C (On/Clear): Turns the calculator on. If the calculator is already on, pressing it once clears the entire calculation and memory.
5. Maintenance
Proper care ensures the longevity of your MAUL M8 calculator.
5.1 Cleaning
Wipe the calculator with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the casing or display.
5.2 Battery Replacement
If the display becomes dim or blank in low light conditions, the LR1130 battery may need to be replaced.
- Locate the battery compartment on the back of the calculator.
- Carefully open the compartment cover using a small screwdriver or coin.
- Remove the old LR1130 battery.
- Insert a new LR1130 battery with the positive (+) side facing up.
- Close the battery compartment cover securely.
Note: Dispose of used batteries responsibly according to local regulations.
6. Troubleshooting
If you encounter issues with your calculator, refer to the following common problems and solutions:
- Display is blank or dim:
- Ensure the calculator is in a well-lit area for solar power.
- Press ON/C to turn it on.
- Replace the LR1130 battery if the issue persists in low light.
- Buttons are unresponsive:
- Press ON/C to clear any previous operations.
- Ensure the calculator is not exposed to extreme temperatures or moisture.
- Incorrect calculation results:
- Double-check your input and the order of operations.
- Clear the calculator by pressing ON/C before starting a new calculation.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | MAUL |
| Model Name | M8 |
| Display Type | 8-Digit LCD, 1 Line |
| Power Source | Solar Powered, 1 x LR1130 Battery |
| Screen Size | 5.55 Centimetres |
| Material | Plastic |
| Dimensions (Approx.) | 11.5 cm (Height) x 6.9 cm (Width) |
| Functions | Basic Arithmetic, Percentage, Square Root, 3-Button Memory |

Image: The MAUL M8 calculator displaying its approximate dimensions: 11.5 cm in height and 6.9 cm in width.
8. Warranty and Support
8.1 Warranty
The MAUL M8 calculator comes with a 5-year warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For further assistance, technical support, or warranty inquiries, please contact MAUL customer service through their official website or the retailer where the product was purchased. Please have your model number (M8) and proof of purchase available when contacting support.