This is a user manual that introduces the features and usage of the fx-500ES calculator
This manual explains the key functions, safety precautions, and usage guidelines for the Casio fx-500ES scientific calculator. It covers button functions, mode selection, display settings, and error handling procedures.
Technical details such as battery type, power consumption, operating temperature range, dimensions, and weight are listed, along with instructions for battery replacement and initial setup. This manual is written in Chinese.
| Battery type | AAA (R03/UM-4) × 1 |
|---|---|
| Battery life | ≈ 17,000 hours (continuous display) |
| Power consumption | 0.0002 W |
| Operating temperature | 0 °C to 40 °C |
| Dimensions (H × W × D) | 13.7 mm × 80 mm × 161 mm |
| Weight | ≈ 110 g (including battery) |
The battery should be replaced at least every two years, even if the calculator appears to operate normally.
It uses a single AAA (R03/UM-4) battery.
The calculator measures 13.7 mm high, 80 mm wide, and 161 mm long.
Replace the battery, as a dim display indicates insufficient power.