Introdución
This manual provides comprehensive instructions for the operation and maintenance of your Texas Instruments TI-108 Basic Calculator. Designed for ease of use, this solar-powered calculator is suitable for various basic arithmetic tasks and classroom environments.

An image showing the Texas Instruments TI-108 basic calculator. It features a blue casing with an 8-digit LCD display at the top. The keys are color-coded: red for operation keys (+, -, x, /, %, square root, +/-, ON/C) and white for number keys (0-9, decimal point) and memory keys (MRC, M-, M+). A solar panel is visible below the display.
Configuración
The Texas Instruments TI-108 calculator is primarily solar-powered. No battery installation is typically required for initial use under adequate lighting conditions.
- Encendido: Ensure the calculator's solar panel, located above the display, is exposed to sufficient ambient light. The calculator will automatically power on and display '0' when light is detected.
- Initial Clear: Preme o ON/C key to clear any previous calculations or entries and ensure the display shows '0'.
Instrucións de funcionamento
The TI-108 calculator performs standard arithmetic operations and includes memory functions.
Operacións aritméticas básicas
- Suma (+): Introduza o primeiro número, prema +, introduza o segundo número e logo prema =.
- Resta (-): Introduza o primeiro número, prema -, introduza o segundo número e logo prema =.
- Multiplicación (x): Introduza o primeiro número, prema x, introduza o segundo número e logo prema =.
- División (/): Introduza o primeiro número, prema /, introduza o segundo número e logo prema =.
Funcións especiais
- Clear (ON/C): Clears the current entry or the entire calculation. Press once to clear the current entry; press twice to clear all.
- Porcenttage (%): Para calcular unha porcentaxetage, enter the number, press x, enter the percentagvalor e, despois prema %. Por example, to find 10% of 50: 50 x 10 %.
- Square Root (√): Introduza o número e logo prema √.
- Change Sign (+/-): Cambia o signo do número mostrado de positivo a negativo ou viceversa.
Funcións de memoria
- Memory Plus (M+): Adds the displayed number to the memory.
- Memory Minus (M-): Subtracts the displayed number from the memory.
- Memory Recall/Clear (MRC): Prema unha vez para recuperar o valor almacenado na memoria. Prema dúas veces para borrar a memoria.
Mantemento
- Limpeza: Use a soft, dry cloth to clean the calculator's exterior. Do not use abrasive cleaners or solvents.
- Almacenamento: Store the calculator in a cool, dry place away from direct sunlight when not in use for extended periods. Avoid extreme temperatures and humidity.
- Protección: Utilize the protective slide case (if included) to prevent scratches and damage to the display and keys.
Resolución de problemas
- A pantalla está en branco ou escura: Ensure the solar panel is exposed to sufficient light. The calculator requires adequate ambient light to operate.
- Cálculos incorrectos: Preme ON/C twice to clear all previous operations and memory, then re-enter your calculation.
- As teclas non responden: Check for any debris lodged around the keys. Gently clean the area. If the issue persists, contact customer support.
Especificacións
| Característica | Detalle |
|---|---|
| Nome do modelo | TI-108 |
| Fonte de enerxía | Energía solar |
| Tipo de calculadora | Básico |
| Cor | Black (as per product description, though image shows blue) |
| Dimensións do produto | 4.49 x 3.11 x 0.67 polgadas |
| Peso do elemento | 1.44 onzas |
Información da garantía
Texas Instruments products are manufactured to high-quality standards. For specific warranty details, please refer to the documentation included with your purchase or visit the official Texas Instruments websitio. Garda o comprobante de compra para reclamacións de garantía.
Atención ao cliente
For further assistance, technical support, or inquiries regarding your Texas Instruments TI-108 calculator, please visit the official Texas Instruments support websitio web ou póñase en contacto co seu departamento de atención ao cliente. A información de contacto adoita atoparse na páxina web do fabricante websitio ou embalaxe do produto.





