Sharp EL-2135 12-Digit Electronic Desktop Calculator User Manual

1. Ifihan

This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-2135 12-digit electronic desktop calculator. Designed for general purpose calculations, this lightweight and ergonomically designed calculator is ideal for both school and office environments. It features a clear 12-digit LCD display and operates efficiently with dual power sources.

2. Key Awọn ẹya ara ẹrọ

• Ifihan LCD oni-nọmba 12: Ó fúnni ní ìjáde nọ́mbà tó ṣe kedere tó sì rọrùn láti kà.
• Comfortable Desktop Size: Optimized dimensions for stable and convenient use on any desk.
• Elegant Gray Body: Durable ABS plastic construction with a professional aesthetic.
• Square Root Function: Dedicated button for quick square root calculations.
• Orisun Agbara Meji: Operates on both solar power and a lithium-ion battery, ensuring functionality even in low light conditions.

3. Eto

3.1 Agbara Lori

The Sharp EL-2135 calculator utilizes a dual power system: solar and battery. It will automatically draw power from the solar cell when sufficient light is available. In dim lighting or darkness, the included lithium-ion battery will provide power. No manual power-on switch is typically required; the calculator activates upon light exposure or key press.

3.2 Batiri sori / Rirọpo

The calculator comes with a lithium-ion battery pre-installed. If battery replacement becomes necessary:

1. Ensure the calculator is off or in a well-lit area to utilize solar power.
2. Wa awọn yara batiri lori pada ti awọn kuro.
3. Ṣí ìbòrí yàrá náà dáadáa.
4. Remove the old battery and insert a new CR2032 lithium-ion battery, ensuring correct polarity (+/-).
5. Pa ideri batiri naa ni aabo.

Note: Dispose of used batteries according to local regulations.

4. Awọn ilana Iṣiṣẹ

4.1 Àwọn Iṣẹ́ Ìṣirò Pàtàkì

Perform addition, subtraction, multiplication, and division using the dedicated keys:

• Afikun (+): Tẹ nọmba akọkọ sii, tẹ +, tẹ nọ́mbà kejì, tẹ =.
• Iyokuro (-): Tẹ nọmba akọkọ sii, tẹ -, tẹ nọ́mbà kejì, tẹ =.
• Ìsọdipúpọ̀ (×): Tẹ nọmba akọkọ sii, tẹ ×, tẹ nọ́mbà kejì, tẹ =.
• Ẹ̀ka (÷): Tẹ nọmba akọkọ sii, tẹ ÷, tẹ nọ́mbà kejì, tẹ =.

4.2 Awọn iṣẹ pataki

• Square Root (√): Enter a number, then press the √ key to calculate its square root.
• Ogoruntage (%): Lílò fún ìpín ogoruntage isiro. Fun example, to calculate 10% of 200: Enter 200, press ×, enter 10, press %.
• Total Lapapọ (GT): Accumulates the results of all calculations performed after the last GT clear. Press GT to display the grand total.
• Mark-up/Mark-down (MU): A lo fun awọn iṣiro ala ere.
• Ko titẹ sii (CE): Clears the last entered number or operation without affecting previous calculations.
• Clear All (CA): Clears all entries and calculations, resetting the calculator.
• Memory Plus (M+): Ṣe afikun iye ti o han si iranti.
• Memory Minus (M-): Yọkuro iye ti o han lati iranti.
• Recall Memory (RM): Displays the value currently stored in memory.
• Clear Memory (CM): Pa iranti kuro.

4.3 Ifihan

The 12-digit LCD display shows numbers clearly. If the result of a calculation exceeds 12 digits, an error indicator may appear, or the number may be displayed in scientific notation if supported.

5. Itọju

5.1 Ninu

Láti nu ẹ̀rọ ìṣirò náà, lo aṣọ rírọ̀ tí ó gbẹ. Fún eruku líle, díẹ̀ díẹ́ampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the casing ati ifihan.

5.2 Ibi ipamọ

Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. Prolonged exposure to heat or cold can affect battery life and electronic components. When not in use for extended periods, ensure it is stored in a manner that prevents accidental key presses.

6. Laasigbotitusita

• Ifihan ti ṣofo tabi baibai:
  • Ensure the calculator is in a well-lit area for solar power.
  • Check if the battery needs replacement. Refer to Section 3.2.
• Awọn iṣiro ti ko tọ:
  • Tẹ awọn CA (Clear All) button to reset the calculator.
  • Verify that you are entering numbers and operations correctly.
• Àwọn kọ́kọ́rọ́ kò dáhùn:
  • Clean the keys and surrounding areas to remove any debris.
  • If the issue persists, the calculator may require professional servicing.

7. Awọn pato

8. Awọn aworan ọja

9. Atilẹyin ọja ati Support

For warranty information, please refer to the documentation included with your purchase or contact your retailer. For technical support or service inquiries, please visit the official Sharp webojula tabi kan si wọn onibara iṣẹ Eka. Tọju iwe-ẹri rira rẹ bi ẹri rira fun eyikeyi awọn ibeere atilẹyin ọja.