1. Okwu mmalite
This manual provides detailed instructions for the operation and maintenance of your Sharp EL-1501 Compact Cordless Paperless Printing Calculator. This device is designed to combine the functionality of a desktop calculator with the unique features of a paperless printing calculator, allowing for efficient and accurate calculations without the need for paper printouts.
The EL-1501 features a 12-digit main display and a five-line secondary LCD for reviewing up to 300 previous entries. Its cordless, battery-operated design ensures portability and convenience.

Foto 1: N'ihu view of the Sharp EL-1501 Paperless Printing Calculator.
2. Nhazi
The Sharp EL-1501 calculator is designed for cordless operation, powered by batteries. Follow these steps to prepare your calculator for first use:
- Nwụnye batrị: The calculator requires 4 AA batteries. These batteries are included with your purchase. Locate the battery compartment on the underside of the calculator. Open the compartment cover, insert the batteries, ensuring correct polarity (+/-), and then close the cover securely.
- Ike Na: Pịa ON/C.CE button located on the bottom left of the keypad to turn on the calculator. The display should illuminate.
- Initial Display Check: Verify that the 12-digit main display and the 5-line scrolling LCD are functioning correctly.

Figure 2: The Sharp EL-1501 calculator ready for use on a desk.
3. Ntuziaka ọrụ
The Sharp EL-1501 operates with printing calculator logic, offering a range of functions for various calculations. Below are instructions for common operations:
3.1 Ọrụ ndị bụ isi
- Number Entry: Use the numeric keypad (0-9) to enter numbers.
- Ọrụ mgbakọ na mwepụ: Jiri ihe +, -, ×, na ÷ keys for addition, subtraction, multiplication, and division, respectively.
- Hakọrọ: Pịa = key to display the result of a calculation.
- Clear Entry/Clear All: Nke C.CE key clears the last entered number or the entire calculation depending on the context.
- Oghere azụ: Jiri ihe ← key to delete the last digit entered.
3.2 Ọrụ dị elu
- Cost/Sell/Margin (CSM): These dedicated keys (Ọnụ ego, ERE, MGN) simplify profit margin calculations. Enter any two variables, and the third will be automatically calculated.
- Iji gbakọọ ERE price: Enter Ọnụ ego, pịa Ọnụ ego, banye MARGIN %, pịa MGN, wee pịa ERE.
- Iji gbakọọ Ọnụ ego: Banye ERE price, press ERE, banye MARGIN %, pịa MGN, wee pịa Ọnụ ego.
- Iji gbakọọ MARGIN %: Banye Ọnụ ego, pịa Ọnụ ego, banye ERE price, press ERE, wee pịa MGN.
- Tax Keys: Jiri TAX + na Ụtụ isi- for quick tax calculations. Set the tax rate using the ATỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKW ahụ ọrụ.
- Ọrụ ebe nchekwa: The calculator includes a four-key memory (M+, M-, RM, CM) for storing and recalling values.
- Nnukwu mkpokọta (GT): Nke GT key accumulates the results of calculations and displays the grand total.
- Rounding and Decimal Settings: Adjust rounding and decimal places using the dedicated switches/buttons.
- Ọrụ mpịakọta The 5-line secondary LCD allows you to scroll back and forth through up to 300 previous entries using the arrow keys (v, ▼).

Figure 3: Key functions including Cost/Sell/Margin and Scrolling Function.

Nyocha 4: N'eluview of key features such as Automatic Tax Keys, Rounding Switch, Decimal Switch, Grand Total Function, 4 Key Memory, Backspace Key, and Percent Key.
4. Nlekọta
Proper care and maintenance will extend the life of your Sharp EL-1501 calculator:
- Nhicha: Use a soft, dry cloth to clean the exterior of the calculator. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the casing ma ọ bụ ngosipụta.
- Ngbanwe batrị: When the display becomes dim or the calculator functions erratically, it is time to replace the batteries. Always replace all 4 AA batteries at the same time with new ones to ensure optimal performance. Dispose of old batteries according to local regulations.
- Nchekwa: Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. If storing for an extended period, it is recommended to remove the batteries to prevent leakage.
- Ijikwa: Avoid dropping the calculator or subjecting it to strong impacts, as this can damage internal components or the display.
5. Nchọpụta nsogbu
If you encounter issues with your Sharp EL-1501, refer to the following common troubleshooting tips:
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Igwe mgbako anaghị agba. | Batrị nwụrụ anwụ ma ọ bụ arụnyere na ezighi ezi. | Check battery polarity. Replace all 4 AA batteries with new ones. |
| Ngosipụta adịchaghị ma ọ bụ na-egbuke egbuke. | Ike batrị dị ala. | Dochie batrị AA 4 niile. |
| Nsonaazụ ngụkọ na-ezighi ezi. | Incorrect input, incorrect mode setting, or memory error. | Clear the calculation using C.CE. Re-enter the calculation carefully. Check decimal and rounding settings. Clear memory if necessary. |
| Scrolling display not working. | No history to scroll through, or feature not activated. | Perform some calculations to generate history. Ensure you are using the correct arrow keys. |
If the problem persists after trying these solutions, please refer to the official user manual PDF linked in the support section or contact Sharp customer support.
6. Nkọwapụta
Key specifications for the Sharp EL-1501 Paperless Printing Calculator:
- Nọmba nlereanya: 8541735555 (EL-1501)
- Ngosipụta: 12-digit main LCD, 5-line scrolling secondary LCD
- Isi mmalite ike: 4 batrị AA (gụnyere)
- Akụkụ (L x W x H): 9 x 5.9 x 2.4 sentimita (ihe dị ka)
- Ibu ihe: 1.1 pound
- Ọrụ: Cost/Sell/Margin, Tax Keys, 4-Key Memory, Grand Total, Rounding, Decimal Selector, Percent, Sign Change, Backspace.
- Agba: Ọcha
- Nke mbụ dị: Eprel 18, 2019

Figure 5: Approximate dimensions of the Sharp EL-1501 calculator.
7. Akwụkwọ ikike na nkwado
For detailed warranty information and further support, please refer to the official documentation provided by Sharp.
- Akwụkwọ ntuziaka onye ọrụ: A comprehensive user manual in PDF format is available for download. Budata akwụkwọ ntuziaka onye ọrụ (PDF)
- Nkwado onye nrụpụta: For technical assistance, service, or warranty claims, please visit the official Sharp websaịtị ma ọ bụ kpọtụrụ ngalaba ọrụ ndị ahịa ha.





