1. Producte acabatview
The Casio DM-1200BM is a 12-digit desktop calculator designed for business, office, and finance use. It features an extra-large display for enhanced readability, dedicated keys for Cost/Sell/Margin calculations, and tax functions. Its dual power source (solar and battery) ensures reliable operation in various lighting conditions.

Figura 1: Frontal view of the Casio DM-1200BM Business Desktop Calculator, showcasing its large display and key layout.
2. Característiques clau
- Extra-Large 12-Digit Display: Provides clear and easy-to-read numbers, reducing eye strain.
- Claus de cost/venda/marge: Dedicated buttons for quick and accurate profit margin calculations.
- Tax Calculation Functions: Simplifies adding or subtracting tax values.
- Kickstand Design: Built-in angled display stand for optimal viewing and ergonomic comfort.
- Solar + Battery Power: Operates using solar energy with a battery backup for consistent performance.
3. Configuració
3.1 Font d'alimentació
The Casio DM-1200BM calculator utilizes a dual power system: solar power and a single LR44 battery (included). For optimal performance, ensure the calculator is exposed to sufficient light for solar operation. The battery provides backup power in low-light conditions.
- Ús inicial: The calculator is ready for use out of the box. No specific battery installation is required for initial setup as the LR44 battery is pre-installed.
- Substitució de la bateria: If the display becomes dim or unresponsive in low light, the LR44 battery may need replacement. Refer to the 'Maintenance' section for instructions on replacing the battery.
3.2 Kickstand Adjustment
Per ajustar el viewing angle, locate the kickstand on the underside of the calculator. Gently pull it out to prop up the display. Push it back in to lay the calculator flat.
4. Instruccions de funcionament
4.1 Càlculs bàsics
Perform standard arithmetic operations using the number keys (0-9, 00, .), and operation keys (+, -, ×, ÷, =).
- Premeu ON/AC to clear the display and start a new calculation.
- Premeu C to clear the last entry.
4.2 Cost/Sell/Margin (CSM) Functions
These functions allow for quick calculation of Cost, Selling Price, and Profit Margin when two of the three values are known.

Figura 2: Example calculations for Cost, Sell, and Margin functions as illustrated on the product packaging.
- To find Selling Price: Enter Cost, press COST, enter Margin (as a percentage), press MAR, després premeu VENDER.
- To find Cost: Enter Selling Price, press VENDER, enter Margin (as a percentage), press MAR, després premeu COST.
- To find Margin: Enter Cost, press COST, enter Selling Price, press VENDER, després premeu MAR.
4.3 Tax Calculation Functions
The calculator includes dedicated keys for tax calculations. Before using, set the tax rate.
- Establiment del tipus impositiu: Premeu RATE SET %, enter the tax rate (e.g., 5 for 5%), then press RATE SET % de nou.
- Afegir impostos: Enter the amount, then press IMPOST+.
- Resta d'impostos: Enter the amount, then press impost-.
4.4 Funcions de memòria
Emmagatzemar i recuperar valors mitjançant les tecles de memòria.
- M+: Afegeix el valor mostrat a la memòria.
- M-: Resta el valor mostrat de la memòria.
- MR: Recalls the memory value to the display.
- MC: Clears the memory.
4.5 Configuració de la pantalla
The calculator features a slide switch for decimal point and rounding settings.
- F CUT 5/4: Controls decimal places and rounding.
- F: Coma decimal flotant.
- TALLAR: Truncates decimal places.
- 5/4: Rounds up if the next digit is 5 or greater.
- 4 3 2 1 0 ADD2: Sets the number of decimal places (0-4) or adds 2 decimal places automatically (ADD2).
5. Manteniment
Proper care ensures the longevity of your calculator.
- Neteja: Netegeu la calculadora amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: Emmagatzemar en un lloc fresc i sec, lluny de la llum solar directa i de temperatures extremes.
- Substitució de la bateria: To replace the LR44 battery, carefully open the battery compartment on the back of the unit. Insert a new LR44 battery with the correct polarity (+/-). Dispose of old batteries responsibly.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc o tènue. | Insufficient light for solar power, or low battery. | Move to a well-lit area. If problem persists, replace the LR44 battery. |
| Resultats de càlcul incorrectes. | Incorrect input, or incorrect decimal/rounding settings. | Clear the calculator (ON/AC) and re-enter the calculation. Check the slide switch settings for decimal places. |
| Les tecles no responen. | Temporary malfunction or low power. | Premeu ON/AC. Ensure adequate light. If unresponsive, try replacing the battery. |
7. Especificacions
| Característica | Detall |
|---|---|
| Dimensions del producte | 10.32 x 7.87 x 1.65 polzades |
| Pes de l'article | 12 unces |
| Número de model | DM-1200BM |
| Bateries | Necessites 1 piles LR44 (incloses) |
| Marca | Casio |
| Color | Plata |
| Tipus de calculadora | Negocis |
| Font d'alimentació | Energia solar |
| Mida de la pantalla | 5.0 polzades |
| Fabricant | Casio Inc. |
| Primera data disponible | 1 de març de 2015 |
8. Garantia i Suport
Per obtenir informació sobre la garantia i l'assistència al client, consulteu la pàgina oficial de Casio. website or contact Casio customer service directly. The product typically comes with a standard manufacturer's warranty covering defects in materials and workmanship.
You can visit the official Casio store for more information: Botiga Casio
For product-specific inquiries, please reference the model number DM-1200BM.
9. Avís legal
Aquest producte conté productes químics coneguts per l'estat de Califòrnia per causar càncer i defectes de naixement o altres danys reproductius.





