1. Introduction
This manual provides instructions for the Casio FX-260Solar II NF School Edition Calculator. It covers essential information for setup, operation, maintenance, and specifications to ensure optimal use of your device.
2. Key Features
- Solar Powered: Equipped with a solar cell for continuous operation in well-lit environments.
- Compact and Portable: Designed for easy transport and use in various settings.
- Basic Scientific Functions: Includes essential functions for school-level mathematics.
3. Product Overview
Figure 1: Front view of the Casio FX-260Solar II NF Calculator, showing the display and key layout.
Figure 2: Back view of the Casio FX-260Solar II NF Calculator with its protective cover.
Figure 3: The calculator with its protective cover partially slid off, revealing the top portion.
Figure 4: Detailed view of the back panel, showing model information and regulatory marks.
Figure 5: The packaging for the Casio FX-260Solar II NF School Edition Calculator.
4. Setup and Power
The Casio FX-260Solar II NF calculator is primarily solar-powered. Ensure adequate lighting for operation. It also features a battery backup for low-light conditions.
Turning On/Off
- To turn on: Press the ON button.
- To clear the display: Press the AC (All Clear) button.
- The calculator will automatically power off after a period of inactivity to conserve battery life.
5. Basic Operations
Arithmetic Calculations
Perform standard arithmetic operations (addition, subtraction, multiplication, division) using the corresponding keys.
- Enter the first number.
- Press the desired operation key (+, -, ×, ÷).
- Enter the second number.
- Press = to display the result.
Scientific Functions
Access scientific functions such as trigonometric functions (sin, cos, tan), logarithms (log, ln), and powers (x², xʸ) using their dedicated keys. For secondary functions printed above the keys, press the SHIFT key first, then the desired function key.
6. Maintenance
Cleaning
Wipe the calculator with a soft, dry cloth. Do not use abrasive cleaners or solvents.
Battery Replacement
The calculator uses a solar cell and a backup battery (LR54 x 1). If the display becomes dim in sufficient light, the battery may need replacement. To replace the battery, carefully remove the two screws on the back panel (one on top, one on bottom) and open the battery compartment. Replace with a new LR54 battery, ensuring correct polarity. Secure the cover and screws.
7. Troubleshooting
- Display is blank or dim: Ensure the calculator is exposed to sufficient light for solar charging. If the issue persists, the backup battery may need replacement.
- Incorrect results: Check your input values and the selected mode (e.g., DEG, RAD, GRA). Press AC to clear previous calculations and start fresh.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Casio |
| Model Number | FX-260SOLARIINF-IH |
| Power Source | Solar Powered (with LR54 x 1 battery backup) |
| Calculator Type | Engineering/Scientific |
| Screen Size | 0.45 Inches |
| Item Weight | 3.52 ounces |
| Package Dimensions | 5.08 x 3.03 x 0.75 inches |
9. Official Product Video
Video: Product Overview Video by Amazon Product Imaging. This video provides a general overview of a scientific calculator, demonstrating its features and design.
10. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the official Casio website. Specific warranty terms may vary by region and retailer.
