1. تعارف
This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-W531 Scientific Calculator. Please read this manual thoroughly before using the calculator to ensure correct operation and to maximize its functionality. The EL-W531 features a WriteView display, allowing for natural input and display of mathematical expressions, and offers 335 functions suitable for various scientific and engineering calculations.
2. پراڊڪٽ ختمview
The Sharp EL-W531 is a scientific calculator designed for clarity and ease of use. It features a large WriteView dot-matrix display and a comprehensive set of keys for various mathematical operations.

شڪل 2.1: سامهون view of the Sharp EL-W531 Scientific Calculator, showing the WriteView display and key layout. The display shows a fraction calculation, and keys are organized for easy access to functions.

شڪل 2.2: پاسي view of the Sharp EL-W531 Scientific Calculator illustrating its compact dimensions. The calculator measures approximately 17 cm (7.0 inches) in length.
3. سيٽ اپ
3.1 طاقت جو ذريعو
The Sharp EL-W531 calculator operates using both solar power and a single AAA battery. The solar panel provides power in well-lit environments, while the battery ensures operation in low-light conditions.
3.2 بيٽري جي تنصيب / متبادل
- پڪ ڪريو ته ڪيلڪيوليٽر بند آهي.
- ڪيلڪيوليٽر جي پوئين پاسي بيٽري جي ڪمپارٽمينٽ ڪَوَر کي ڳوليو.
- Using a small screwdriver, carefully remove the screw securing the cover.
- ڍڪ لاهي ڇڏيو.
- Remove the old AAA battery (if applicable) and insert a new AAA battery, ensuring correct polarity (+/-).
- بيٽري جي ڪمري واري ڍڪ کي تبديل ڪريو ۽ ان کي اسڪرو سان محفوظ ڪريو.
3.3 شروعاتي پاور آن
کي دٻايو آن/سي button to turn on the calculator. The display will show the last calculation or be cleared, depending on the previous state.
4. آپريٽنگ هدايتون
4.1 بنيادي حساب
بنيادي رياضياتي عملن کي انجام ڏيڻ لاء:
- Enter the first number.
- Press the desired operation key (+, -, ×, ÷).
- Enter the second number.
- دٻايو = نتيجو ڏيکارڻ لاء.
4.2 لکوView ڏيکاريو
لکڻView ڊسپلي توهان کي داخل ڪرڻ جي اجازت ڏئي ٿي ۽ view mathematical expressions as they appear in textbooks. Fractions, roots, and other complex expressions are displayed in a natural format. Use the navigation keys (up, down, left, right arrows) to move the cursor within an expression for editing.
4.3 Function Modes
The calculator offers various modes for different types of calculations. Press the موڊ key to cycle through available modes such as:
- عام: For general arithmetic and function calculations.
- اسٽيٽ: For statistical calculations.
- EQN: For solving equations.
Refer to the on-screen indicators (e.g., DEG, RAD, GRAD) for the current angle unit. Press DRG► (accessed via ٻيو ايف) to change the angle unit.
4.4 Scientific Functions
The EL-W531 includes 335 functions. Many functions are accessed directly, while others require pressing the ٻيو ايف key first. Common functions include:
- Trigonometric: sin، cos، tan، ۽ انهن جا الٽا ڪم (sin-1، ڇو-1، ائين-1).
- Logarithmic/Exponential: لاگ، ايل اين، 10x، ex.
- Power/Root: x2، √ ، ايڪسy, y√x.
- جزا: a b/c key for mixed numbers and improper fractions.
- ياداشت: STO (store), RCL (recall), M+ (memory plus).
Consult the key labels and the calculator's display for specific function usage.
5. سار سنڀال
5.1 صفائي
ڪيلڪيوليٽر کي صاف ڪرڻ لاءِ، ان کي نرم، سڪل ڪپڙي سان نرميءَ سان صاف ڪريو. رگڙيندڙ ڪلينر، سالوينٽس، يا گلا ڪپڙا استعمال نه ڪريو، ڇاڪاڻ ته اهي سي کي نقصان پهچائي سگهن ٿا.asing يا اندروني جزا.
5.2 اسٽوريج
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 advisable to remove the battery to prevent leakage.
5.3 بيٽري جي سنڀال
Replace the AAA battery promptly when the display becomes dim or erratic. Dispose of used batteries according to local regulations.
6. مسئلا حل ڪرڻ
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| ڪيلڪوليٽر آن نٿو ٿئي. | Low or dead battery; insufficient light for solar panel. | Replace the AAA battery. Ensure adequate lighting for the solar panel. |
| ڊسپلي مدھم يا خالي آهي. | Low battery; insufficient light. | Replace the AAA battery. Move to a brighter area. |
| غلط حساب جا نتيجا. | Incorrect mode setting; input error; memory error. | Check the current mode (e.g., DEG/RAD). Clear all memory (ٻيو ايف M-CLR). Re-enter the calculation carefully. |
| "ERROR" message displayed. | Mathematical error (e.g., division by zero, invalid input). | دٻايو آن/سي غلطي صاف ڪرڻ لاءِ. ٻيهرview your input and the mathematical operation. |
7. وضاحتون
- برانڊ: تيز
- ماڊل: EL-W531
- ڊسپلي جو قسم: Dot-matrix LCD, WriteView
- ڊسپلي قرارداد: 96 x 32 پکسلز
- افعال: 335
- طاقت جو ذريعو: Solar and 1 x AAA battery (included)
- ڪنٽرول قسم: بٽڻ
- طول و عرض (W x D x H): 8 x 16.8 x 1.4 سينٽي ميٽر (تقريبن 3.15 x 6.61 x 0.55 انچ)
- وزن: تقريبن 104.33 گرام (3.68 اوز)
- رنگ: Metallic Green (model XH-GR)
8. وارنٽي ۽ سپورٽ
وارنٽي ڪوريج، ٽيڪنيڪل سپورٽ، يا سروس بابت معلومات لاءِ، مھرباني ڪري پنھنجي پراڊڪٽ سان شامل وارنٽي ڪارڊ ڏسو يا سرڪاري شارپ جو دورو ڪريو. webسائيٽ. ڪسٽمر سروس لاءِ رابطي جا تفصيل عام طور تي ٺاهيندڙ جي ويب سائيٽ تي موجود آهن webسائيٽ.





