The Deli M198 Basic Calculator (12 Digit) is a reliable and user-friendly calculator designed for everyday use in offices, schools, and homes. Key features include:​

Display: 12-digit LCD screen for clear visibility.

Functions: Basic arithmetic operations with a 120-step check function.

Power: Dual power source—solar and battery—for continuous operation.

Design: Compact and lightweight with a durable plastic body.

Additional Features: Auto power-off to conserve battery life.