1. Introducció
This manual provides detailed instructions for the proper use, setup, and maintenance of your Caliber Scientific Calculator, Model 297208. Designed for students, engineers, and professionals, this calculator offers 240 functions for a wide range of mathematical and scientific calculations.
Please read this manual thoroughly before using the calculator to ensure optimal performance and longevity.
2. Informació de seguretat
- Keep the calculator away from extreme temperatures, direct sunlight, and high humidity.
- Eviteu deixar caure la calculadora o sotmetre-la a impactes forts.
- Do not attempt to disassemble or modify the calculator. This will void the warranty.
- Use only the specified battery type. Incorrect battery usage may cause leakage or explosion.
- Avís de bateria: Mantingueu les piles lluny dels nens i de les mascotes. Les bateries poden ser perjudicials si s'empassa. Si un nen o una mascota s'empassa una bateria, busqueu assistència mèdica immediatament.
3. Contingut del paquet
Upon opening your Caliber Scientific Calculator package, please verify that all items are present and in good condition:
- Caliber Scientific Calculator (Model 297208)
- Protective Hard Sliding Cover
- One AG10 Button Cell Battery (pre-installed or included separately)
- Manual d'usuari (aquest document)

Image 1: Caliber Scientific Calculator in retail packaging, showing key features.
4. Configuració
4.1. Font d'alimentació
The Caliber Scientific Calculator operates on dual power sources: solar power and battery power. The solar panel provides power in well-lit environments, while the battery ensures operation in low-light conditions.
4.2. Instal·lació/substitució de la bateria
Your calculator includes one AG10 button cell battery. If battery replacement is needed:
- Assegureu-vos que la calculadora estigui apagada.
- Localitza el compartiment de la bateria a la part posterior de la calculadora.
- Amb un tornavís petit, obriu amb cura la tapa del compartiment de la bateria.
- Remove the old battery and insert a new AG10 button cell battery, ensuring the correct polarity (+/-).
- Substituïu la tapa del compartiment de la bateria i fixeu-la amb el cargol.
Note: Some models may require a AAA battery. Refer to the specific markings on your calculator's battery compartment if different from AG10.
5. Funcions clau anteriorsview
The calculator features a 10-digit LCD display and 240 functions. Familiarize yourself with the key layout:

Image 2: Close-up of the calculator's display and key layout.
- Visualització: 10-digit LCD for clear viewing d'entrades i resultats.
- ON/OFF: Power on/off the calculator.
- MAJÚS: Accesses secondary functions printed above the keys (typically in yellow or orange).
- ALFA: Accesses alpha characters and variables (typically in red or green).
- Mode: Changes calculation modes (e.g., COMP, STAT, EQN).
- CLR: Clears memory or settings.
- DEL: Deletes the last entered digit.
- AC: Clears all entries and resets the calculation.
- Tecles de fletxa: Navigate through entries and results.
- = (Igual): Executes the calculation.
6. Instruccions de funcionament
6.1. Càlculs bàsics
Per realitzar operacions aritmètiques bàsiques:
- Premeu el botó ON key to turn on the calculator.
- Enter the first number.
- Press the desired operation key (+, -, ×, ÷).
- Enter the second number.
- Premeu el botó = key to display the result.
6.2. Funcions avançades
The calculator supports 240 functions, including trigonometric, logarithmic, statistical, and more. To access secondary functions (printed above keys), press the MAJÚS tecla abans de la tecla de funció desitjada.
- Funcions trigonomètriques: pecat, cos, bronzejat i les seves funcions inverses (MAJÚS + sin⁻¹, etc.).
- Funcions logarítmiques: registre (base 10), ln (logaritme natural).
- Funcions potència i arrel: x², √, xʸ.
- Funcions de memòria: Ús STO (Botiga) i RCL (Recall) to save and retrieve values.
- Càlculs estadístics: Entra MODE and select STAT mode for statistical computations.
For detailed instructions on specific functions, refer to the comprehensive instructions enclosed with your product (if applicable) or consult online resources for scientific calculator usage.
7. Manteniment
7.1. Neteja
To clean your calculator:
- Netegeu l'exterior amb un drap suau i sec.
- Per a la brutícia persistent, lleugerament dampNetegeu el drap amb aigua i sabó suau i, a continuació, eixugueu-lo immediatament.
- Do not use abrasive cleaners, solvents, or alcohol, as these can damage the casing o pantalla.
7.2. Emmagatzematge
When not in use, store the calculator in a cool, dry place, away from direct sunlight and extreme temperatures. Always use the protective hard sliding cover to prevent damage to the keys and display.

Image 3: Packaging detail showing features including the hard sliding cover and dual power.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La calculadora no s'encén. | Insufficient light for solar power, or dead battery. | Move to a brighter area or replace the AG10 button cell battery. |
| Display shows "ERROR". | Mathematical error (e.g., division by zero, invalid input). | Premeu AC to clear the error and re-enter the calculation correctly. |
| Resultats de càlcul incorrectes. | Incorrect mode selected, or input error. | Comproveu el mode actual (MODE key) and ensure correct data entry. Clear all memory (MAJÚS + CLR) si és necessari. |
9. Especificacions
| Número de model | 297208 |
| Marca | Calibre |
| Tipus de visualització | LCD de 10 dígits |
| Nombre de funcions | 240 |
| Tipus de calculadora | Enginyeria/Científic |
| Font d'alimentació | Dual Power (Solar & Battery) |
| Tipus de bateria | 1 x AG10 Button Cell (included) or 1 x AAA (may vary by model) |
| Mida de la pantalla | 3 polzades |
| Dimensions (L x A) | 6 cm x 3 cm |
| Material de tancament | Plàstic |
| UPC | 050428205495 |
10. Garantia i Suport
10.1. Informació de la garantia
This product is subject to a return policy. For details regarding returns, exchanges, or warranty claims, please refer to the retailer's return policy where the product was purchased.
10.2. Atenció al client
For further assistance, technical support, or inquiries not covered in this manual, please contact Caliber customer service through their official weblloc web o el distribuïdor on vau comprar el producte.