The Casio MX-12B is a compact, entry-level 12-digit desktop calculator designed for everyday home and office use. It features a simplified layout with standard basic functions, structured for comfortable, flat-on-desk operation.

• Extra Large 12-Digit Display: The large LCD screen reduces eye strain by making numerical data highly scannable and easy to read at a glance.
• Two-Way Power: The device runs primarily on solar power in well-lit settings but switches seamlessly to battery backup when lighting conditions drop.
• Mark-Up (MU) Key: Streamlines basic cost and profit calculations by allowing quick percentage markup computations.
• Key Rollover System: Built to accommodate fast typing, key operations are stored in a buffer so nothing is lost even if you press the next key while releasing the first.
• Durable Plastic Keys: Engineered for high-volume use with responsive tactile feedback.

Specifications:

• Model: MX-12B
• Type: Compact Desktop
• Digit Capacity: 12 Digits
• Power Source: Two-way power (Solar + 1x LR44 Button Battery)
• Dimensions (D × W × H): 147 mm × 106.5 mm × 29 mm
• Weight: Approximately 115 grams (including battery)
• Display: Extra large, easy-to-read crystal display
• Key Functions: Regular percent (%), Mark-up (MU), Square root (√), Profit margin percent, 4-Key Memory (, , , ), Sign Change (), Shift key (backspace)