ClassWiz FX-350CW - Calculator CASIO - Free user manual and instructions
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| Product Type | Scientific Calculator |
| Brand | Casio |
| Model | ClassWiz FX-350CW |
| Dimensions (approx.) | 165 x 77 x 13.5 mm |
| Weight (approx.) | 105 g (including battery) |
| Power Source | Solar cell + LR44 battery (backup) |
| Display | Natural Textbook Display (dots matrix) |
| Number of Functions | Approximately 417 functions |
| Key Features | Natural input/output, spreadsheet, list-based statistics, equation solving, QR code generation |
| Memory | 9 variable memories, 4 function memories, and 40 number memories |
| Battery Life | Approximately 3 years under normal use (one hour per day) |
| Auto Power Off | Approximately 10 minutes after last operation |
| Hardware | Icicles key design, hard cover included |
| Languages Supported | Multi-language (including English) |
| Maintenance & Cleaning | Wipe with a soft dry cloth; do not use solvents. Replace battery every 3 years or when display dims. |
| Safety Precautions | Keep away from moisture, extreme temperatures, and direct sunlight. Do not disassemble. |
| Spare Parts & Repairability | Battery and cover are replaceable. For repairs, contact Casio authorized service centers. |
| General Information | Designed for high school and college students; supports up to 4 decimal places rounding. Compliant with ISO standards. |
Frequently Asked Questions - ClassWiz FX-350CW CASIO
How do I turn on the calculator?
Press the ON button. If the screen is blank, ensure the battery is properly inserted or the solar panel has sufficient light.
How do I reset the calculator to factory settings?
Press SHIFT then 9 (CLR), then select 3 (Reset) and confirm. This clears all memory.
How do I change the battery?
Slide the cover off the back, replace the old LR44 battery with a new one, ensuring correct polarity. Reattach cover.
Why is the display dim?
Ensure the solar panel is exposed to bright light. If still dim, the backup battery may be low; replace it.
How do I perform a statistical calculation?
Press MODE then 2 (STAT). Enter data, then use SHIFT and 1 (STAT) to access mean, standard deviation, etc.
How do I generate a QR code from an expression?
After calculating, press SHIFT then • (QR) to display the QR code on screen.
What does 'Math Error' mean?
It indicates an invalid mathematical operation (e.g., division by zero, square root of negative). Correct the input and retry.
How do I use the spreadsheet function?
Press MODE then 8 (SPREADSHEET). Enter data into cells and use formulas with ALPHA and cell references.
How do I convert between degrees and radians?
Press SHIFT then MODE (SETUP), then select 3 (Deg) or 4 (Rad).
Is the calculator allowed in exams?
Check with your exam board. Casio ClassWiz models are generally permitted in most exams but may require specific settings (e.g., exam mode if available).
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USER MANUAL ClassWiz FX-350CW CASIO
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Product information
Brand : CASIO
Model : ClassWiz FX-350CW
Category : Calculator