Basic Calculator MAUL ECO 650 Pocket Black 12 Digits Solar

The MAUL ECO 650 Pocket Black is a compact, basic calculator with a 12-digit display and solar power supply. Designed for everyday arithmetic, it fits easily into a pocket, bag or notebook and provides clear numeric readout for tasks such as budgeting, invoicing, classroom exercises and quick checks. The slim profile and durable housing make it suitable for regular use in home, office and study environments.

Advantages

The solar-powered design reduces the need for battery replacement and supports continuous operation under normal indoor and outdoor lighting conditions. A 12-digit LCD provides ample range for most common financial and scientific notations, while the compact dimensions prioritise portability. Keys are arranged for straightforward input and the robust casing offers protection against minor impacts and everyday wear.

Suitable for

• Basic arithmetic and percentage calculations
• School and university homework
• Small business bookkeeping and on-the-go accounting checks
• Personal budgeting and expense tracking

Key specifications

• Display: 12-digit LCD
• Power source: solar cell with low-power operation
• Form factor: pocket-sized, slim profile
• Keypad: standard numeric and function keys (addition, subtraction, multiplication, division, percentage)
• Housing colour: black

How to use

Place the calculator in a well-lit area to ensure the solar cell receives sufficient light for operation. Use the numeric keys for entry and the basic function keys to perform arithmetic operations. Clear the current entry using the clear function if available, and turn the unit face toward the light source when digits begin to fade. No battery installation is necessary for standard use under adequate lighting.

Usage recommendations

Keep the calculator clean and avoid prolonged exposure to direct sunlight or heat sources that could warp the casing. For storage, place it in a protective sleeve or compartment to prevent key damage. When using outdoors, ensure the solar panel is exposed to ambient light for reliable performance.