Introduction
This manual provides detailed instructions for the proper use and maintenance of your Casio FX-82ES Plus 2nd Edition Scientific Calculator. Please read this manual thoroughly before using the calculator to ensure correct operation and to maximize its lifespan.
The Casio FX-82ES Plus 2nd Edition is a non-programmable scientific calculator designed for a wide range of mathematical and scientific calculations. It features a Natural Textbook Display and 252 functions, making complex expressions easy to input and understand.
Product Overview
Figure 1: Front view of the Casio FX-82ES Plus 2nd Edition Scientific Calculator, showcasing its display and keypad layout.
Figure 2: Key features of the calculator, including List-based STAT, Natural Textbook Display, 252 functions, Dot matrix display, New Design, and 10 + 2 digits display.
Figure 3: Dimensions of the calculator, showing a height of 162mm and a width of 80mm.
Figure 4: The calculator shown alongside a ruler, providing a visual reference for its size.
Setup
Unpacking
Carefully remove the calculator and its accessories from the packaging. Ensure all components are present:
- 1 Scientific Calculator
- Slide-on hard case
- User Manual (this document)
Initial Use
The calculator is battery-powered and comes ready for use. No initial charging or battery installation is typically required for new units. If the display is dim or unresponsive, consider replacing the battery as described in the Maintenance section.
To turn on the calculator, press the ON button. To turn off, press SHIFT then AC (OFF).
Operating Instructions
Basic Operations
The calculator features a 10-digit mantissa + 2-digit exponential display. Input numbers using the numeric keypad and perform operations using the function keys.
- Arithmetic Operations: Use +, -, ×, ÷ for addition, subtraction, multiplication, and division.
- Equals: Press = to execute a calculation.
- Clear: Press AC to clear the current entry and calculation. Press DEL to delete the last entered digit.
Scientific Functions
The calculator provides 252 functions, including basic trigonometrical and statistics functions. The keypad is color-coded for easy differentiation of keys and their shifted functions.
- Shift Key: Press SHIFT to access the secondary functions printed above the keys (usually in yellow).
- Alpha Key: Press ALPHA to access the alpha-numeric functions (usually in red).
- Natural Textbook Display: This feature allows input and display of fractions, roots, and other expressions as they appear in textbooks.
- Multi-replay Function: Quickly recall previously executed formulas for editing and re-execution using the replay arrows.
Modes of Operation
The calculator has various modes accessible via the MODE SETUP button. Common modes include:
- COMP (Compute): For general arithmetic and function calculations.
- STAT (Statistics): For statistical calculations, including mean, standard deviation, and regression analysis.
- TABLE: Generates a table of function values for a given range.
Refer to the detailed function guide within the calculator's internal memory or the comprehensive manual available on the Casio website for specific function usage.
Maintenance
Cleaning
To clean the calculator, wipe it with a soft, dry cloth. Do not use abrasive cleaners, solvents, or alcohol, as these can damage the casing and display.
Battery Replacement
The Casio FX-82ES Plus 2nd Edition is battery-powered. When the display becomes dim or calculations are erratic, it may be time to replace the battery. The battery compartment is typically located on the back of the unit. Use a small screwdriver to open the compartment, replace the old battery with a new one of the same type (refer to specifications for battery type), and securely close the compartment.
Note: Dispose of used batteries according to local regulations.
Storage
When not in use, store the calculator in its slide-on hard case to protect it from dust, scratches, and impacts. Avoid storing it in extreme temperatures or high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Calculator does not turn on. | Low or dead battery. | Replace the battery. |
| Display is dim or blank. | Low battery. | Replace the battery. |
| Incorrect calculation results. | Incorrect mode setting; syntax error; input error. | Check the current mode (e.g., DEG/RAD). Review your input and formula. Clear the calculation and re-enter. Perform a reset if necessary (refer to advanced manual). |
| Keys are unresponsive. | Dust or debris under keys; internal malfunction. | Gently clean around the keys. If problem persists, contact customer support. |
Specifications
- Model Number: FX-82ES PLUS-2nd Edition
- Functions: 252
- Display: Natural Textbook Display, 10-digit mantissa + 2-digit exponential
- Power Source: Battery Powered
- Material: Plastic
- Colour: Black
- Item Weight: 105 g
- Item Dimensions (LxWxH): 16.2 x 7.7 x 1.4 Centimeters
- Country of Origin: Thailand
- Included Components: 1 Scientific Calculator
- Screen Size: 77 Inches (Note: This value is as provided in product specifications and may refer to a different measurement unit or be a data anomaly.)
Warranty and Support
Warranty Information
This Casio FX-82ES Plus 2nd Edition Scientific Calculator comes with a 3-year manufacturer's warranty. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects and malfunctions under normal use conditions.
Customer Support
For technical assistance, warranty claims, or further inquiries, please contact Casio customer support. Visit the official Casio website for contact details and service center locations.
Casio Official Website: www.casio.com
