1. Introducció
Thank you for choosing the Casio MJ-100D-S-EH Calculator. This manual provides detailed instructions on how to set up, operate, and maintain your calculator to ensure optimal performance. The MJ-100D-S-EH is a versatile 10-digit desktop calculator featuring a unique Check and Correct function, Two-Way Power (solar and battery), and various essential calculation functions for daily use in office or home environments.

Figura 1: Frontal view of the Casio MJ-100D-S-EH Calculator, highlighting its 10-digit display and key arrangement.
2. Configuració
2.1 Font d'alimentació
The Casio MJ-100D-S-EH calculator utilizes a Two-Way Power system, operating on solar power when sufficient light is available and automatically switching to battery power (one LR44 battery, included) in low-light conditions.
- Panell solar: Ensure the solar panel located above the display is exposed to light for optimal performance.
- Bateria: The calculator comes with an LR44 battery pre-installed. If the display becomes dim or unresponsive in low light, the battery may need replacement.
2.2 Ús inicial
Upon first use, or after prolonged storage, the calculator should power on automatically when exposed to light or by pressing the ON/AC button. If the display remains blank, ensure adequate lighting or consider battery replacement.
3. Instruccions de funcionament
3.1 Operacions bàsiques
- Power On/All Clear (ON/AC): Turns the calculator on and clears all values from memory and display.
- Esborrar entrada (C): Clears the last entered number or the current calculation entry.
- Suma (+), Resta (-), Multiplicació (X), Divisió (÷): Standard arithmetic operations.
- Equals (=): Completes a calculation and displays the result.
- Punt decimal (.): Introdueix un punt decimal.
- Double Zero (00): Enters two zeros simultaneously.
3.2 Funcions especials
- Check and Correct (CONSULTAR, CORRECTE, Δ, ▽): Et permet tornarview and correct up to 150 steps of a calculation.
- Premeu CONSULTAR to enter check mode.
- Ús Δ (up arrow) and ▽ (down arrow) to scroll through calculation steps.
- Premeu CORRECTE to modify a specific step.
- Tax Calculation (IMPOST+, impost-): Adds or subtracts a pre-set tax rate.
- To set the tax rate, press SET (usually a secondary function of another key, refer to specific key markings if available, or assume a dedicated button if not). For this model, it's likely a combination with DATA DEFECTADA o similar.
- Introduïu el percentatge del tipus impositiutage, després premeu IMPOST+ or impost-.
- Auto Review (AUTO REVIEW): Es desplaça automàticament pels passos de càlcul.
- Go To (VES A): Jumps to a specific step number in the calculation history during check mode.
- Percenttage (%): Calcula el percentatgetages.
- Arrel quadrada (√): Calcula l'arrel quadrada del nombre mostrat.
- Canvi de senyal (+/-): Changes the sign of the displayed number (positive to negative, or vice versa).
- Memory Functions (M+, M-, MRC):
- M+: Adds the displayed value to the memory.
- M-: Subtracts the displayed value from the memory.
- MRC: Recalls the memory content (first press) or clears the memory (second press).
- Mark-up (MU): Calculates mark-up and mark-down.
- Display Settings (DISPONIBLE): Adjusts the display format, such as decimal places or number of digits.
4. Manteniment
4.1 Neteja
To clean the calculator, wipe it with a soft, dry cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these may damage the casing o pantalla.
4.2 Emmagatzematge
Guardeu la calculadora en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes. Eviteu col·locar objectes pesats a sobre de la calculadora.
4.3 Substitució de la bateria
If the display becomes dim or blank in low light, the LR44 battery may need replacement.
- Turn the calculator over.
- Localitzeu la tapa del compartiment de la bateria.
- Remove the screw (if present) and slide off the cover.
- Carefully remove the old LR44 battery.
- Insert a new LR44 battery with the correct polarity (+/-).
- Replace the cover and secure it.
- Elimina la bateria antiga d'acord amb la normativa local.
5. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc o tènue. | Insufficient light for solar power, or battery is low/dead. | Move the calculator to a well-lit area. Replace the LR44 battery. |
| Resultats de càlcul incorrectes. | Incorrect entry, incorrect function used, or memory not cleared. | Premeu AC to clear all. Re-enter the calculation carefully. Use the Check and Correct function to review passos. |
| La calculadora no respon a les tecles premudes. | Temporary malfunction or low power. | Premeu ON/AC. Ensure sufficient light. If unresponsive, remove and reinsert the battery. |
6. Especificacions
- Model: MJ-100D-S-EH
- Marca: Casio
- Visualització: 10 Digits, LCD
- Font d'alimentació: Two-Way Power (Solar & LR44 Battery)
- Dimensions (LxWxH): 17.1 x 12.1 x 3.1 centímetres
- Pes: 187 g
- Característiques: Check and Correct (150 steps), Tax Calculation, Auto Review, Go To, Percentage, Square Root, Memory Functions, Mark-up.
7. Garantia i Suport
Your Casio MJ-100D-S-EH Calculator is covered by a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions, including warranty period and coverage details.
Per a assistència tècnica, servei o més consultes, visiteu el lloc web oficial de Casio. weblloc o poseu-vos en contacte amb el seu departament d'atenció al client.





