හැඳින්වීම
The MAUL Eco 850 is an environmentally friendly desktop calculator designed for office, desk, and school use. This solar-powered device features a 12-digit LCD display and is constructed from 80% recycled plastic, earning it the "Blue Angel" eco-label. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your calculator.

Image: The MAUL Eco 850 Desktop Calculator, demonstrating its compact size and clear display.
සැලසුම
The MAUL Eco 850 calculator is solar-powered and does not require batteries. It is ready for use when exposed to sufficient light.
- ඇසිරීම: Carefully remove the calculator from its environmentally friendly, plastic-free packaging.
- බල ගැන්වීම: Place the calculator in an area with adequate ambient light (at least 50 lux). The display should activate automatically. If the display does not turn on, ensure it is exposed to brighter light.

Image: The MAUL Eco 850 calculator ready for use on a desk.
මෙහෙයුම් උපදෙස්
The MAUL Eco 850 features a 12-digit LCD display and a range of functions for various calculations.
මූලික කාර්යයන්
- එකතු කිරීම (+), අඩු කිරීම (-), ගුණ කිරීම (×), බෙදීම (÷): Enter the first number, press the desired operation key, enter the second number, then press the equals (=) key for the result.
- ප්රතිශතයtagඉ (%): ප්රතිශතයක් ගණනය කිරීමටtage, enter the base number, press the multiplication (×) key, enter the percentage value, then press the % key. For example, 200 න් 10% ගණනය කිරීමට, 200 × 10 % ඇතුළත් කරන්න.
- Square Root (√): Enter the number, then press the √ key to calculate its square root.
- ලකුණ වෙනස් කිරීම (+/-): Press this key to change the sign of the displayed number from positive to negative or vice versa.
- ද්විත්ව ශුන්යය (00): Quickly enter two zeros.
මතක කාර්යයන්
- M+ (මතක ප්ලස්): පෙන්වන අගය මතකයට එකතු කරයි.
- M- (මතකය අඩු): මතකයෙන් පෙන්වන අගය අඩු කරයි.
- MR (මතක මතකය): මතකයේ ගබඩා කර ඇති අගය සංදර්ශකය වෙත නැවත කැඳවයි.
- MC (මතකය පැහැදිලි): මතකය පිරිසිදු කරයි.
Clear Functions
- ක්රියාත්මකයි/AC (සියල්ල පැහැදිලියි): Clears all entries and memory, resetting the calculator.
- C (පැහැදිලි ඇතුළත් කිරීම): Clears the last entered number or the current calculation without affecting memory or previous operations.

රූපය: විස්තරාත්මක view of the calculator's display and key layout.
නඩත්තු කිරීම
To ensure the longevity and proper functioning of your MAUL Eco 850 calculator, follow these maintenance guidelines:
- පිරිසිදු කිරීම: Use a soft, dry cloth to clean the calculator's surface and display. Avoid using liquid cleaners, abrasive materials, or solvents, as these can damage the plastic and electronic components.
- බලශක්ති ප්රභවය: As the calculator is solar-powered, ensure it is regularly exposed to light to maintain its charge. Avoid storing it in dark places for extended periods.
- ගබඩා: Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- හැසිරවීම: The calculator features sturdy plastic buttons. Avoid dropping the device or subjecting it to strong impacts.

රූපය: පැත්ත view highlighting the calculator's ergonomic design.
දෝෂගවේෂණය
If you encounter issues with your MAUL Eco 850 calculator, refer to the following common problems and solutions:
| ගැටලුව | විය හැකි හේතුව | විසඳුම |
|---|---|---|
| සංදර්ශකය හිස් හෝ අඳුරු ය. | Insufficient light for solar cells. | Move the calculator to a brighter area. Ensure the solar panel is not obstructed. |
| වැරදි ගණනය කිරීමේ ප්රතිඵල. | Input error or previous calculation residue. | ඔබන්න ON/AC to clear all entries and memory, then re-enter the calculation. Double-check your input. |
| යතුරු ප්රතිචාර නොදක්වයි. | Temporary software glitch or low power. | Ensure adequate light. If the problem persists, try pressing ON/AC. |
පිරිවිතර
- වෙළඳ නාමය: මෝල්
- ආකෘතිය: Eco 850 (Model Number: 7268890)
- සංදර්ශකය: 12-digit LCD, 1-line display
- බලශක්ති ප්රභවය: Solar Powered (operates from 50 lux)
- ද්රව්ය: Housing made from 80% recycled plastic
- කාර්යයන්: Basic arithmetic (+, -, ×, ÷), Percentage (%), Square Root (√), Memory (M+, M-, MR, MC), Sign Change (+/-), Double Zero (00), Clear Entry (C), All Clear (ON/AC).
- මානයන්: 17.5 x 12.6 x 0.1 සෙ.මී. (ආසන්න වශයෙන් 6.9 x 5.0 x 0.04 අඟල්)
- බර: ග්රෑම් 211 (ආසන්න වශයෙන් අවුන්ස 7.4)
- පාරිසරික සහතිකය: Blue Angel / UZ116

Image: The calculator proudly displaying the Blue Angel eco-label.
වගකීම් සහ සහාය
The MAUL Eco 850 Desktop Calculator comes with a වසර 5ක වගකීමක්, reflecting MAUL's commitment to precision and reliability. For support or warranty claims, please refer to the contact information provided with your purchase or visit the official MAUL website. MAUL, a German family business with over 110 years of experience, ensures high-quality products and customer service.





