Sharp EL-145T BL Calculator User Manual

1. Танилцуулга

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. Аюулгүй байдлын мэдээлэл

• Do not expose the calculator to direct sunlight for extended periods or to extreme temperatures.
• Тооцоолуурыг унагаах эсвэл хүчтэй цохилтод өртөхөөс зайлсхий.
• Тооцоолуурыг ус болон бусад шингэнээс хол байлга.
• Do not attempt to disassemble or modify the calculator. Refer all servicing to qualified personnel.
• Орон нутгийн дүрмийн дагуу батерейг хаях.

3. Бүтээгдэхүүн дууссанview

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.

Зураг 1: Урд 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.

Гол онцлогууд:

• 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).
• Персенtage calculation function (%).
• Square root calculation (√).
• 4-key memory functions (M+, M-, RM, CM).
• Clear Entry (CE) and All Clear (CA/C) keys.

Бүрэлдэхүүн хэсгүүд:

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.

Зураг 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. Тохиргоо

Эрчим хүчний эх үүсвэр:

The EL-145T BL calculator is designed for dual power operation:

• Нарны эрчим хүч: The calculator primarily operates on solar power when sufficient light is available. Ensure the solar panel (located above the display) is exposed to light.
• Зайны хүч: A backup battery (1 x LR-54 or LR44) is included to provide power in low-light conditions.

Батерей суурилуулах/солих:

1. Ensure the calculator is turned off or in a well-lit area to utilize solar power.
2. Тооцоолуурын ар талд байрлах батерейны тагийг олоорой.
3. Бүрхүүлийг болгоомжтой арилгана.
4. Insert a new LR-54 or LR44 battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
5. Зайны тасалгааны тагийг найдвартай солино.

Note: The calculator may power on automatically once sufficient light or battery power is detected.

5. Ашиглалтын заавар

Арифметикийн үндсэн үйлдлүүд:

Enter numbers and use the standard arithmetic keys (+, -, ×, ÷) followed by the equals key (=) to perform calculations.

• Нэмэлт: [Number 1] [+] [Number 2] [=]
• Хасах: [Number 1] [-] [Number 2] [=]
• Үржүүлэх: [Number 1] [×] [Number 2] [=]
• Хэсэг: [Number 1] [÷] [Number 2] [=]

Цэвэр функцууд:

• [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.

Персенtage Тооцоолол:

Хувиар тооцохын тулдtages, use the [%] түлхүүр.

• Exampле: Calculate 15% of 200.
  Оруулна уу [200] [×] [15] [%]. The result will be 30.
• Exampле: Add 15% to 200.
  Оруулна уу [200] [+] [15] [%]. The result will be 230.

Татварын тооцоо:

The calculator features dedicated keys for tax calculations. First, set the tax rate.

1. Татварын хувь хэмжээг тогтоох нь:
   Enter the tax rate (e.g., [8] for 8%). Press [RATE SET]. The tax rate is now stored.
2. Татвар нэмэх:
   Enter the amount (e.g., [100]). дарна уу [+TAX]. The display will show the amount with tax added.
3. Татварыг хасах:
   Enter the amount (e.g., [108]). дарна уу [-TAX]. The display will show the amount with tax removed.
4. Татварын хувь хэмжээг эргүүлэн татах нь:
   дарна уу [RATE RECALL] руу view the currently set tax rate.

Санах ойн функцууд:

The 4-key memory allows you to store and recall values.

• [M+] (Memory Plus): Харуулсан утгыг санах ойд нэмнэ.
• [M-] (Memory Minus): Харуулсан утгыг санах ойгоос хасна.
• [RM] (Recall Memory): Санах ойд одоогоор хадгалагдсан утгыг харуулна.
• [CM] (Clear Memory): Clears the memory content. (Often combined with RM, pressing RM twice clears memory).

Квадрат язгуурын тооцоо:

To calculate the square root of a number, enter the number and then press the [√] түлхүүр.

• Exampле: Calculate the square root of 81.
  Оруулна уу [81] [√]. The result will be 9.

6. Засвар үйлчилгээ

• Цэвэрлэгээ: 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.
• Хадгалах: When not in use for extended periods, store the calculator in a cool, dry place away from direct sunlight and extreme temperatures.
• Зайны хугацаа: 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. Алдаа засах

8. Техникийн үзүүлэлтүүд

9. Баталгаат хугацаа ба дэмжлэг

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 webсайт эсвэл харилцагчийн үйлчилгээний хэлтэстэй холбогдоно уу.