Key facts
- Brand
- Casio
- Model
- FX-3950P
- Category
- Office Equipment
- Industry
- Electronics
- Documents
- 4
- Languages
- EN · ZH
- Last added
- 2012-05-05
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Casio fx-3650P/fx-3950P User Manual
This manual begins with safety precautions, warning users about battery handling, exposure to extreme temperatures, moisture, and physical impact. It stresses the importance of keeping batteries out of reach of children, never recharging or short‑circuiting them, and removing the battery if the calculator will not be used for an extended period.
The document then describes the calculator’s functions, including basic arithmetic, fraction, percentage, degree‑minute‑second, complex number, scientific, and programming operations. Key markings and color‑coded functions are explained to help users locate and use the appropriate keys quickly. This manual is written in Chinese.
Casio FX-3950P specifications
| Power Supply | fx-3950P: Single G13 button battery (LR44); fx-3650P: Solar cell + single G13 button battery (LR44) |
|---|---|
| Battery Life | fx-3950P: ~9,000 hours continuous display; both models: ~3 years typical use |
| Dimensions (H × W × D) | 11.8 mm × 115.4 mm × 15.9 mm |
| Weight | 100 g (3.5 oz) including battery |
| Power Consumption | 0.0002 W |
| Operating Temperature | 0 °C to 40 °C (32 °F to 104 °F) |
Source: Casio fx-3650P / fx-3950P Scientific Calculator User's Guide
All Casio FX-3950P documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What happens if the calculator is idle for several minutes?
The calculator automatically powers off after about six minutes of inactivity; press the 5 key to turn it back on.
From: Casio fx-3650P / fx-3950P Scientific Calculator User's Guide
Can the calculator be used in extreme temperatures?
It is rated for operation between 0 °C and 40 °C; low temperatures may slow the display, while high temperatures can cause discoloration or damage.
From: Casio fx-3650P / fx-3950P Scientific Calculator User's Guide
How many programs can be stored on the calculator?
The calculator can store four separate programs, labeled P1, P2, P3, and P4.
How do I clear a program from memory?
Press the key sequence SHIFT MODE 1 to clear the program memory.
How often should the battery be replaced?
The battery should be replaced at least every three years, even if the calculator appears to work normally.
Can the battery be recharged or disassembled?
No. The battery must not be recharged, disassembled, or short‑circuited.