1. Introducció
This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-520TG scientific calculator. The EL-520TG is designed for a wide range of mathematical and scientific calculations, featuring Direct Algebraic Logic (D.A.L.) for intuitive input, 419 functions, and 9 memory registers. Please read this manual thoroughly to ensure optimal performance and longevity of your device.
Image 1.1: Sharp EL-520TG Scientific Calculator, shown with its protective case and a premium warranty card.
2. Configuració
2.1. Font d'alimentació
The Sharp EL-520TG calculator is battery-powered. Ensure fresh batteries are installed for reliable operation. Refer to the battery compartment on the back of the unit for battery type and installation instructions.
2.2. Engegada inicial
Premeu el botó ON/C key to power on the calculator. The display should show '0' or a previous calculation result. If the display is blank or dim, replace the batteries.
Imatge 2.1: Frontal view of the Sharp EL-520TG Scientific Calculator, displaying its keypad and screen.
3. Instruccions de funcionament
3.1. Operacions bàsiques
- Encès/apagat: Premeu ON/C per encendre. Premeu 2n F aleshores OFF per apagar.
- Entrada de número: Use the numeric keys (0-9) and the decimal point key (.) to enter numbers.
- Operacions aritmètiques: Ús +, -, ×, ÷ for addition, subtraction, multiplication, and division. Press = per executar.
- Esborrar entrada: Premeu ON/C to clear the current entry.
- Suprimeix: Utilitza el DEL key to delete the last entered digit.
3.2. Funcions
The EL-520TG features 419 functions, accessible directly or via the 2n F key for secondary functions printed above the keys.
- Direct Algebraic Logic (D.A.L.): Input calculations as they are written, following standard mathematical order of operations.
- Funcions trigonomètriques: Ús pecat, cos, bronzejat for sine, cosine, and tangent. Use 2n F aleshores sin⁻¹, cos⁻¹, bronzejat⁻¹ for inverse trigonometric functions.
- Funcions logarítmiques: Ús registre for common logarithm (base 10) and ln for natural logarithm (base e).
- Funcions de memòria: The calculator has 9 memory registers. Use STO to store a value and RCL to recall a stored value.
- Funcions estadístiques: Access statistical modes via MODE. Calculate standard deviation and other statistical values.
- Funcions potència i arrel: Ús x² for square, √ for square root, and yˣ for general powers.
3.3. Modes de visualització
Adjust the display format using the CONFIGURAR menú.
- SOLUCIÓ: Specifies the number of decimal places.
- SCI: Displays results in scientific notation.
- CAT: Displays results in engineering notation.
- DEG/RAD/GRAD: Selects the angle unit (degrees, radians, or gradians).
4. Manteniment
4.1. Neteja
Wipe the calculator's exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the casing o pantalla.
4.2. Substitució de la bateria
When the display becomes dim or calculations are erratic, it is time to replace the batteries. Refer to the battery compartment cover for the correct battery type and polarity. Ensure the calculator is turned off before replacing batteries.
4.3. Emmagatzematge
Store the calculator in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided protective case to prevent scratches and damage to the keys and display.
Image 4.1: The Sharp EL-520TG calculator securely stored within its protective case.
Image 4.2: The black protective case, designed to safeguard the Sharp EL-520TG calculator.
5. Solució De Problemes
- Pantalla en blanc o apagada: Check battery installation. Replace batteries if necessary.
- Resultats incorrectes: Verify the input values and the selected mode (e.g., DEG/RAD). Ensure all previous calculations are cleared.
- La calculadora no respon: Proveu de prémer RESET button (usually a small button on the back, requiring a thin object like a paperclip to press). This will clear all memory and settings.
- Missatges d'error: Consult the full product manual for specific error code meanings. Common errors include 'ERROR' for mathematical impossibilities (e.g., division by zero) or 'OVERFLOW' for results exceeding the calculator's capacity.
6. Especificacions
| Marca | Afilat |
| Model | EL-520TG |
| Tipus de calculadora | Scientific / Engineering |
| Funcions | 419 |
| Registres de memòria | 9 |
| Lògica d'entrada | Lògica Algebraica Directa (DAL) |
| Font d'alimentació | Funciona amb bateria |
| UPC | 634397960069 |
7. Garantia i Suport
This product includes a premium warranty extension. Please refer to the warranty card for specific terms, conditions, and duration of coverage. Keep your proof of purchase for any warranty claims.
Image 7.1: The Premium Warranty card provided with the product.
For technical support or further assistance, please contact the retailer or refer to the official Sharp support channels. Detailed contact information is typically available on the product packaging or the manufacturer's weblloc.
