Safety precautions, including how to use and maintain batteries and dispose of electronic waste products.
This document serves as the official User's Guide for the Casio FX-820MS two-line display calculator. It provides essential information on safety precautions regarding battery usage and device handling to prevent injury or damage. The guide details various calculation modes including arithmetic, fraction operations, percentage calculations, and scientific functions such as trigonometry and logarithms.
| Display Type | Two-line Display |
|---|---|
| Power Supply | Solar cell and a single G13 Type button battery (LR44) |
| Battery Life | Approximately 3 years (1 hour use per day) |
| Dimensions | 12.0 (H) x 89.0 (W) x 173.0 (D) mm |
| Power Consumption | 0.0002 W |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
The battery life is approximately 3 years with about 1 hour of use per day.
The calculator requires a single G13 Type button battery, specifically LR44.
You should replace the battery at least once every three years, even if operating normally.