1. הקדמה
This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-145T BL 14-digit desktop calculator. Designed for office tasks, this calculator features tax calculation, percentage calculation, root calculation, and a 4-key memory system. It operates using both solar power and a backup battery, ensuring reliable performance.
Please read this manual thoroughly before using the calculator to ensure optimal performance and longevity.
2. זיכערקייַט אינפֿאָרמאַציע
- Do not expose the calculator to direct sunlight for extended periods or to extreme temperatures.
- פֿאַרמײַדט צו לאָזן פֿאַלן דעם קאַלקולאַטאָר אָדער אים אויסשטעלן צו שטאַרקע קלאַפּן.
- האַלט דעם קאַלקולאַטאָר אַוועק פון וואַסער און אַנדערע פליסיקייטן.
- פרובירט נישט צו צענעמען אדער מאדיפיצירן דעם קאלקולאטאר. לאָזט איבער אלע סערוויסעס צו קוואַליפֿיצירטע פּערסאָנעל.
- אַוועקוואַרפן באַטעריז לויט די היגע רעגיאַליישאַנז.
3. פּראָדוקט איבערview
The Sharp EL-145T BL is a compact and efficient 14-digit desktop calculator. Its angled LCD display enhances readability, making it suitable for various calculations.

פיגורע 1: פראָנט view of the Sharp EL-145T BL calculator, showing the 14-digit display, solar panel, and key layout. The calculator features a black body with blue accents.
שליסל פֿעיִקייטן:
- 14-digit angled LCD display for clear viewing.
- Dual power source: Solar and battery (1 x LR-54/LR44).
- Dedicated tax calculation keys (+TAX, -TAX, RATE SET, RATE RECALL).
- פּראָצענטtage calculation function (%).
- Square root calculation (√).
- 4-key memory functions (M+, M-, RM, CM).
- Clear Entry (CE) and All Clear (CA/C) keys.
קאַמפּאָונאַנץ:
The calculator consists of a main unit with a display panel, a solar panel, and a keypad. The keypad includes numeric keys (0-9, .), arithmetic operation keys (+, -, ×, ÷, =), and special function keys.

פיגורע 2: The Sharp EL-145T BL calculator positioned on a wooden desk, demonstrating its compact size and suitability for office environments. A highlighter and sticky note are visible nearby.
4. סעטאַפּ
מאַכט מקור:
The EL-145T BL calculator is designed for dual power operation:
- סאָלאַר מאַכט: The calculator primarily operates on solar power when sufficient light is available. Ensure the solar panel (located above the display) is exposed to light.
- באַטאַרייע מאַכט: A backup battery (1 x LR-54 or LR44) is included to provide power in low-light conditions.
ייַנמאָנטירונג / פאַרבייַט פון באַטאַרייע:
- Ensure the calculator is turned off or in a well-lit area to utilize solar power.
- געפינט דעם דעקל פונעם באַטעריע־אָפּטייל אויף דער הינטערשטער זייט פונעם קאַלקולאַטאָר.
- קערפאַלי אַראָפּנעמען די דעקן.
- Insert a new LR-54 or LR44 battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
- פאַרבייַטן די באַטאַרייע אָפּטייל דעקן סיקיורלי.
Note: The calculator may power on automatically once sufficient light or battery power is detected.
5. אַפּערייטינג ינסטרוקטיאָנס
יקערדיק אַריטמעטיק אָפּעראַטיאָנס:
Enter numbers and use the standard arithmetic keys (+, -, ×, ÷) followed by the equals key (=) to perform calculations.
- דערצו: [Number 1] [+] [Number 2] [=]
- אַראָפּרעכענען: [Number 1] [-] [Number 2] [=]
- קייפל: [Number 1] [×] [Number 2] [=]
- אָפּטייל: [Number 1] [÷] [Number 2] [=]
Clear Functions:
- [CA/C] (All Clear): Clears all entries and memory, resetting the calculator.
- [CE] (Clear Entry): Clears the last entered number or the current calculation result without affecting previous entries or memory.
פּראָצענטtagE חשבון:
צו רעכענען פּראָצענטtages, use the [%] שליסל.
- Exampלאַ: Calculate 15% of 200.
אַרייַן [200] [×] [15] [%]דער רעזולטאַט וועט זיין 30. - Exampלאַ: Add 15% to 200.
אַרייַן [200] [+] [15] [%]דער רעזולטאַט וועט זיין 230.
שטייַער קאַלקולאַטיאָן:
The calculator features dedicated keys for tax calculations. First, set the tax rate.
- Setting the Tax Rate:
Enter the tax rate (e.g., [8] for 8%). Press [RATE SET]. The tax rate is now stored. - Adding Tax:
Enter the amount (e.g., [100]). דרוק [+TAX]. The display will show the amount with tax added. - Subtracting Tax:
Enter the amount (e.g., [108]). דרוק [-TAX]. The display will show the amount with tax removed. - Recalling Tax Rate:
דרוק [RATE RECALL] צו view the currently set tax rate.
זכּרון פאַנגקשאַנז:
The 4-key memory allows you to store and recall values.
- [M+] (Memory Plus): לייגט צו דעם אנגעוויזענעם ווערט צום זכרון.
- [M-] (Memory Minus): נעמט ארויס דעם אנגעוויזענעם ווערט פון דער זכרון.
- [RM] (Recall Memory): Displays the value currently stored in memory.
- [CM] (Clear Memory): Clears the memory content. (Often combined with RM, pressing RM twice clears memory).
קוואדראט וואָרצל כעזשבן:
To calculate the square root of a number, enter the number and then press the [√] שליסל.
- Exampלאַ: Calculate the square root of 81.
אַרייַן [81] [√]דער רעזולטאַט וועט זיין 9.
6. וישאַלט
- רייניקונג: Use a soft, dry cloth to clean the calculator's exterior. For stubborn dirt, slightly dampen the cloth with water and a mild detergent, then wipe dry immediately. Do not use abrasive cleaners or solvents.
- סטאָרידזש: When not in use for extended periods, store the calculator in a cool, dry place away from direct sunlight and extreme temperatures.
- באַטאַרייע לעבן: The battery life is approximately 2 years when used for 1 hour per day under solar power. Replace the battery when the display becomes dim or erratic in low light.
7. טראָובלעשאָאָטינג
| פּראָבלעם | מעגלעך סיבה | לייזונג |
|---|---|---|
| דער עקראַן איז ליידיק אָדער טונקל. | נישט גענוג ליכט פֿאַר זונ - ענערגיע, אדער נידעריקע באַטעריע. | Move the calculator to a brighter area. Replace the LR-54/LR44 battery. |
| פאַלשע רעכענונג רעזולטאַטן. | Incorrect key input, or memory not cleared. | Double-check your input. Press [CA/C] to clear all and restart the calculation. Clear memory with [CM]. |
| די קנעפּלעך רעאַגירן נישט. | Calculator frozen, or power issue. | דרוק [CA/C]. If unresponsive, remove and reinsert the battery (if applicable) or ensure sufficient light for solar power. |
8. ספּעסאַפאַקיישאַנז
| שטריך | דעטאַל |
|---|---|
| מאָדעל | EL-145T BL |
| ווייַז | 14-ציפֿער לקד |
| מאַכט מקור | Solar Powered with 1 x LR44 (or LR-54) battery backup |
| פאַנגקשאַנז | Basic arithmetic, Percentage (%), Tax calculation (+TAX, -TAX, RATE SET, RATE RECALL), Square Root (√), 4-key Memory (M+, M-, RM, CM) |
| דימענסיעס (L X W X H) | Approximately 11.2 cm x 17.6 cm x 1.3 cm (4.41" x 6.93" x 0.51") |
| וואָג | בעערעך 125 ג (0.28 לבס) |
| מאַטעריאַל | פּלאַסטיק |
| קאָליר | שוואַרץ / בלוי |
9. וואָראַנטי און שטיצן
Sharp products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your purchase or contact your local Sharp customer support. Keep your purchase receipt as proof of purchase.
For further assistance or inquiries, please visit the official Sharp webפּלאַץ אָדער קאָנטאַקט זייער קונה סערוויס אָפּטיילונג.





