Manual d'usuari de la calculadora científica Casio fx-82ES PLUS

1. Producte acabatview

The Casio fx-82ES PLUS is a scientific calculator designed for high school and college-level mathematics. It features 252 built-in functions and a Natural Textbook Display, which shows mathematical expressions and results exactly as they appear in textbooks. This enhances readability and comprehension for various subjects including algebra, geometry, and trigonometry.

2. Configuració

2.1 Instal·lació de la bateria

The calculator is powered by one A-type battery. To install or replace the battery:

1. Ensure the calculator is turned OFF.
2. Carefully remove the battery cover located on the back of the unit.
3. Insert the new battery, ensuring the correct polarity (+/-) is observed.
4. Col·loqueu la tapa de la bateria de manera segura.

2.2 Configuració inicial

After battery installation or for a factory reset:

• Premeu el botó ON botó per engegar la calculadora.
• To restore default settings, press MAJÚS aleshores CLR (situat a sobre de AC button). Select 3 (tots) i després = (Yes).
• Adjust display contrast if needed: Press MAJÚS aleshores CONFIGURACIÓ DEL MODE. Navega a Contrast and use the arrow keys to adjust. Press AC per sortir.

3. Operating the Calculator

3.1 Operacions bàsiques

Perform standard arithmetic calculations:

• Enter numbers using the number keys.
• Ús +, -, ×, ÷ for addition, subtraction, multiplication, and division.
• Premeu = per mostrar el resultat.
• Ús AC to clear the current entry or calculation.

3.2 Funcions científiques

The calculator provides 252 functions. Access secondary functions (printed in yellow above keys) by pressing MAJÚS before the desired key. Access alpha functions (printed in red above keys) by pressing ALFA before the desired key.

• Funcions trigonomètriques: Ús pecat, cos, bronzejat. For inverse functions, use MAJÚS + sin⁻¹, cos⁻¹, bronzejat⁻¹.
• Funcions logarítmiques: Ús registre (base 10) i ln (logaritme natural).
• Potències i arrels: Ús x² for squares, MAJÚS + √ for square roots, x³ for cubes, and MAJÚS + ³√ for cube roots.
• Fraccions: Use the fraction key (ab/c) to input and display fractions.

3.3 Natural Textbook Display

The Natural Textbook Display (Natural-V.P.A.M.) allows input and display of fractions, exponents, logarithms, roots, and other mathematical expressions as they are written in textbooks. This feature simplifies complex calculations and improves understanding.

3.4 Selecció del mode

Premeu el botó CONFIGURACIÓ DEL MODE button to access different calculation modes. Common modes include:

• COMP (1): For general arithmetic calculations.
• STAT (2): Per a càlculs estadístics.
• TABLE (3): For generating number tables from functions.

Select the desired mode by pressing the corresponding number.

4. Manteniment

• Neteja: Netegeu la calculadora amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
• Emmagatzematge: Guardeu la calculadora en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
• Substitució de la bateria: Replace the battery when the display becomes dim or calculations are inconsistent. Refer to section 2.1 for instructions.

5. Solució De Problemes

• Pantalla en blanc: Check battery installation. If the battery is low, replace it.
• "Syntax ERROR": This indicates an incorrect mathematical expression. Review your input for errors in syntax or function usage. Use the arrow keys to navigate and correct the error.
• Resultats incorrectes: Ensure the calculator is in the correct mode (e.g., COMP for general calculations). Reset the calculator to default settings if necessary (see section 2.2).
• Unit Conversions and Scientific Constants: A list of unit conversions and scientific constants is provided on the back cover of the calculator's protective case for quick reference.

6. Especificacions

7. Garantia i Suport

Per obtenir informació sobre la garantia i l'assistència al client, consulteu la documentació inclosa amb el producte o visiteu el lloc web oficial de Casio. weblloc web. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.