Indledning
This manual provides detailed instructions for the proper use and maintenance of your Casio FX-82SP CW Scientific Calculator. Designed for academic use, this calculator offers over 300 functions, a high-resolution display, and features like QR code generation and a MathBox menu. Please read this manual thoroughly to ensure optimal performance and longevity of your device.

Billede 1: Forside view of the Casio FX-82SP CW Scientific Calculator, displaying its keys and screen with an exampudregningen.
Opsætning
1. Batteriinstallation
The Casio FX-82SP CW calculator requires one AAA battery for operation. A battery is typically included with the product.
- Find batteridækslet på bagsiden af lommeregneren.
- Skub dækslet af i den retning, som pilen angiver.
- Isæt et AAA-batteri, og sørg for, at de positive (+) og negative (-) poler er justeret korrekt i henhold til diagrammet inde i batterirummet.
- Sæt dækslet til batterirummet på igen, og skub det fast, indtil det klikker på plads.
2. Første opstart
Tryk på ON button to turn on the calculator. The display should show a clear screen or the last calculation result. If the display is blank or dim, check the battery installation.
Operating the Calculator
Grundlæggende operationer
Perform standard arithmetic calculations using the number keys and operation symbols (+, -, ×, ÷). Trykke EXE or = for at få resultatet.
Funktion overview
The FX-82SP CW offers over 300 functions. Many functions are accessed by pressing the FLYTTE key followed by another key. The secondary function is typically printed above the key in a different color.
- Simplification of Fractions: Input fractions and use the appropriate function to simplify them.
- Factoring into Primes: Utilize the prime factorization function for numbers.
- MCM and MCD: Calculate the Least Common Multiple (LCM) and Greatest Common Divisor (GCD).
- Trigonometriske funktioner: Includes sine (synd), cosine (cos), tangent (tan), and their inverse functions (Arc sin, Arc cos, Arc tan).
- Hyperbolske funktioner: Access hyperbolic sine, cosine, and tangent.
- Exponential and Logarithmic Functions: Bruge log, ln, ex, og 10x.
- Statistik: Enter data and perform statistical calculations such as mean, standard deviation, etc.
Display og input
The calculator features a natural typing display with 4 to 6 lines, allowing expressions to be entered and displayed as they appear in textbooks. Use the cursor keys (▲, ▼, ◀, ▶) to navigate through expressions and results.
Særlige funktioner
- QR Code: The calculator can generate QR codes for certain calculations, allowing you to view graphs or additional information on a smartphone or tablet. Refer to the on-screen instructions for specific usage.
- MathBox Menu: This menu provides access to various mathematical tools and functions, enhancing problem-solving capabilities.

Image 2: The Casio FX-82SP CW calculator shown with its sliding protective cover removed.
Opretholdelse
Rensning
To clean the calculator, wipe it with a soft, dry cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the casing eller display.
Udskiftning af batteri
When the display becomes dim or calculations are incorrect, it may be time to replace the battery. Follow the battery installation steps outlined in the "Setup" section. Ensure the calculator is turned off before replacing the battery.
Opbevaring
Store the calculator in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided protective cover to prevent damage to the keys and screen when not in use. If storing for an extended period, it is recommended to remove the battery to prevent leakage.
Fejlfinding
- Lommeregneren tænder ikke: Check battery installation. Ensure the battery is correctly inserted and has sufficient charge. Replace if necessary.
- Skærmen er svag eller tom: Udskift batteriet.
- "Error" message appears: This indicates an invalid operation or calculation. Review your input and the function being used. Consult the full user guide (if available from Casio) for specific error codes.
- Forkerte resultater: Ensure the correct mode (e.g., DEG/RAD for angles) is selected. Double-check your input values and function usage.
Specifikationer
| Produktdimensioner | 63.78 x 30.31 x 0.04 tommer |
| Varens vægt | 2.84 pund |
| Modelnummer | FX-82SPCW-W-ET |
| Batterier | 1 AAA batteri (medfølger) |
| Strømkilde | Batteridrevet |
| Lommeregner Type | Ingeniør/videnskabelig |
| Mærke | Casio |
| Farve | Mørkegrå |
| Fabrikant | Casio |
| Sprog | 5 Languages (including Spanish and Portuguese) |
| Funktioner | Over 300 functions |

Image 3: The Casio FX-82SP CW calculator displayed in its retail box, highlighting key features.
Garanti og support
For warranty information, please refer to the documentation included with your purchase or visit the official Casio website. For technical support or further assistance, please contact Casio customer service.
Officiel Casio Webwebsted: www.casio.com





