Introducción
This manual provides comprehensive instructions for the operation and maintenance of your Sharp EL-122N-BK 12-digit electronic calculator. Please read this manual thoroughly before using the calculator to ensure proper function and longevity.
The Sharp EL-122N-BK is a basic electronic calculator designed for everyday calculations. Its features include:
- 12-digit display for clear readability.
- Easy-to-use key layout for efficient data entry.
- Multiple functions for various calculation needs.
- Construcción duradera para un rendimiento confiable.
Producto terminadoview

Figura 1: Angulado view of the Sharp EL-122N-BK calculator, showing the display and key layout.

Figura 2: De arriba hacia abajo view of the Sharp EL-122N-BK calculator, highlighting the solar panel and key arrangement.

Figura 3: Lado view of the Sharp EL-122N-BK calculator, illustrating its compact dimensions (16 cm or 6.3 inches in length).
Configuración
Fuente de poder
The Sharp EL-122N-BK calculator is powered by both solar energy and a battery. This dual power system ensures reliable operation in various lighting conditions.
- Energía solar: The calculator primarily uses solar power when sufficient light is available. Ensure the solar panel, located above the display, is exposed to light for optimal performance.
- Energía de la batería: In low-light conditions, the calculator automatically switches to battery power. The battery is pre-installed and generally does not require user intervention for initial setup.
Uso inicial
- Place the calculator in a well-lit area.
- Presione el ENCENDIDO/C button (or any numeric key) to turn on the calculator. The display should show "0".
- If the display does not appear, ensure adequate lighting for the solar panel or consider potential battery issues (refer to the Troubleshooting section).
Instrucciones de funcionamiento
Esta sección detalla las funciones de las teclas y cómo realizar varios cálculos.
Operaciones aritméticas básicas
- Suma (+): Ingrese el primer número, presione +, ingrese el segundo número y luego presione =.
- Resta (-): Ingrese el primer número, presione -, ingrese el segundo número y luego presione =.
- Multiplicación (×): Ingrese el primer número, presione ×, ingrese el segundo número y luego presione =.
- División (÷): Ingrese el primer número, presione ÷, ingrese el segundo número y luego presione =.
Funciones claras
- C (Entrada clara): Borra el último número ingresado o la entrada de cálculo actual sin afectar las operaciones anteriores ni la memoria.
- CA (Borrar todo): Clears all entries, operations, and memory, resetting the calculator to its initial state.
- OFF: Turns the calculator off. The calculator also has an auto-power off feature to conserve energy.
Funciones de la memoria
- M+ (Memoria Plus): Agrega el valor mostrado a la memoria.
- M- (Memoria menos): Resta el valor mostrado de la memoria.
- RM (Memoria de recuperación): Muestra el valor actual almacenado en la memoria.
- CM (Borrar memoria): Borra el valor almacenado en la memoria.
Funciones especiales
- % (porcentajetagmi): Se utiliza para porcentajetagcálculos electrónicos. Por ejemploampes decir, para calcular el 10% de 200: ingrese 200, presione ×, ingrese 10, presione %.
- √ (Raíz cuadrada): Calculates the square root of the displayed number. Enter a number, then press √.
- GT (total general): Accumulates the results of all calculations performed since the last CA or GT press. Press GT para mostrar el total general.
- MU (Mark-Up): Used for mark-up calculations. For example, to calculate the selling price with a 20% mark-up on a cost of 100: enter 100, press MU, ingrese 20, presione =.
Mantenimiento
Limpieza
Para mantener la apariencia y la funcionalidad de la calculadora:
- Limpie la superficie de la calculadora con un paño suave y seco.
- Para suciedad difícil, ligeramente dampEnjuague el paño con agua y jabón suave y séquelo inmediatamente.
- No utilice limpiadores abrasivos, solventes ni aerosoles directamente sobre la calculadora.
Almacenamiento
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
Solución de problemas
If you encounter issues with your Sharp EL-122N-BK calculator, refer to the following common problems and solutions:
| Problema | Posible causa | Solución |
|---|---|---|
| La pantalla está en blanco o tenue. | Insufficient light for solar panel; low battery. | Move the calculator to a brighter area. If the problem persists, the battery may need replacement (consult a service professional if necessary). |
| Resultados de cálculo incorrectos. | Incorrect key entry; calculator in an unusual state. | Prensa CA to clear all operations and memory, then re-enter the calculation carefully. |
| Las teclas no responden. | Dust or debris under keys; calculator malfunction. | Gently clean around the keys. If the issue persists, the calculator may require service. |
Presupuesto
The following are the technical specifications for the Sharp EL-122N-BK calculator:
- Modelo: EL-122N-BK
- Tipo de pantalla: Pantalla LCD
- Número de dígitos: 12
- Fuente de energía: Battery Powered (Dual power: Solar and Battery)
- Dimensiones (paquete): 17.7 x 10.7 x 3 cm
- Peso del artículo: 140 gramos
- Tipo de calculadora: Función estándar
Soporte y garantía
For further assistance or inquiries regarding your Sharp EL-122N-BK calculator, please refer to the retailer or manufacturer's official support channels.
Information regarding specific warranty terms and conditions should be provided at the point of purchase or through the official product documentation. Extended warranty options may be available from third-party providers, such as the 2-Year Extended Warranty by Salama Care mentioned in product listings.