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CASIO fx-290 Calculator, Set of 2
Product Details
This is a high-performance calculator with dual power.
- Brand: CASIO
- Model: fx-290
- Power: Dual Power
- Features: Multi-function calculation
Cover is not included.
Thank you for looking.
This was used in a technical high school. One of them (photo 5) is missing the screw in the middle. (Simple calculations are possible.)
It has been stored at home, so please refrain from purchasing if you are concerned about this. We ask for your understanding that this is a used item (potentially junk) and only proceed with your purchase if you understand this.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.







