Ynlieding
Welcome to the user manual for your COMIX Desktop Calculator, model C-2031BK. This calculator is designed for ease of use with a 12-digit display and large, comfortable keys, suitable for various calculations in office, home, or educational environments.

Opsette
Power Boarne
The COMIX C-2031BK calculator operates on dual power: a solar panel and one AAA battery. The solar panel functions as an auxiliary power source and requires sufficient ambient light to operate. For optimal performance and a consistently clear display, it is highly recommended to install the included AAA battery.
Batterij Ynstallaasje
- Sykje it batterijfak oan 'e efterkant fan 'e rekkenmasine.
- Open the battery cover by sliding or lifting it.
- Insert one AAA battery, ensuring correct polarity (+/-) as indicated inside the compartment.
- Slút it batterijdeksel feilich.

Operating Instructions
Key Funksjes Overview

Basis operaasjes
Perform standard arithmetic calculations:
- Tafoeging: Druk op de [+] kaai.
- Subtraksje: Druk op de [-] kaai.
- Fermannichfâldigje: Druk op de [x] kaai.
- Ferdieling: Druk op de [÷] kaai.
- is lyk oan: Druk op de [=] key to display the result of a calculation.
Clear Functions
- [C] (Clear): Clears the last entered number or calculation entry. Pressing it multiple times may clear the entire calculation.
- [CE] (Clear Entry): Clears the current numerical entry without affecting previous calculations or memory.
- [AC] (All Clear): Clears all entries, calculations, and memory, resetting the calculator to its initial state.
Unthâld Funksjes
- [M+] (Memory Plus): Foeget it op it stuit werjûn nûmer ta oan it ûnthâld.
- [M-] (Memory Minus): Subtracts it op it stuit werjûn nûmer út it ûnthâld.
- [MR] (Memory Recall): Roept de yn it ûnthâld opslein wearde op nei it display.
- [MC] (Memory Clear): Clears the memory, setting its value to zero.
Spesjale toetsen
- [GT] (Grand Total): Displays the grand total of all results obtained using the [=] key since the last [AC] parse.
- [MU] (Mark Up): Brûkt foar it berekkenjen fan winstmarges.
- [%] (Percent): Brûkt foar persintaazjetage berekkeningen.
- [←] (Backspace): Deletes the last digit entered on the display.
- [00]: Enters two zeros simultaneously, useful for large numbers.
Features
12-Digit LCD Display
The calculator features a large, clear 12-digit LCD display, making it suitable for extensive calculations and ensuring easy readability of numbers and results.
Large Computer Keys
Equipped with large, responsive keys designed for comfortable and accurate input, reducing errors during rapid calculations and providing a tactile typing experience.
Dual Power Boarne
Operates using both solar power and a single AAA battery, ensuring reliable performance in various lighting conditions and providing continuous operation.

Ûnderhâld
Cleaning
To clean the calculator, use a soft, dry cloth. Do not use liquid cleaners, solvents, or abrasive materials, as these can damage the display, keys, or casing.
Opslach
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove the AAA battery to prevent potential leakage and damage to the device.
Troubleshooting
- It skerm is leech of dim:
- Ensure the calculator is in a well-lit area for the solar panel to function effectively.
- Check if the AAA battery is correctly installed and not depleted. Replace the battery if necessary.
- Ferkearde berekkeningen:
- Verify that the correct keys are being pressed for your desired operation.
- Clear all previous calculations using the [AC] key and re-enter the calculation.
- Ensure memory functions are not inadvertently active (check for an 'M' indicator on the display). Clear memory with [MC] as it nedich is.
Spesifikaasjes
| Eigenskip | Detail |
|---|---|
| Merk | Comix |
| Model Number | A-WM-C-2031BK |
| Display Type | LCD |
| Oantal sifers | 12 |
| Power Boarne | Dual Power (Solar & 1x AAA Battery) |
| Batterij Cell Gearstalling | Alkaline |
| Produkt Ofmjittings | 18.49 x 14.99 x 0.25 sm |
| Gewicht | 299 g |
| Calculator Type | Standertfunksje |

Garânsje en stipe
For warranty information, technical support, or any inquiries regarding your COMIX Desktop Calculator, please refer to the contact details provided with your purchase documentation or visit the official Comix website foar fierdere help.