1. Giriş
This manual provides detailed instructions for the operation and maintenance of your Sharp EL-W531XG-YR Scientific Calculator. Designed for students and professionals, this calculator features a 4-line WriteView display and a wide range of scientific and statistical functions. Please read this manual thoroughly to ensure proper use and to maximize the calculator's capabilities.

Şekil 1.1: Ön view of the Sharp EL-W531XG-YR Scientific Calculator packaging, highlighting key features.
2. Temel Özellikler
- Görüntülemek: 4-line, 96 x 32 dot matrix WriteView display for natural expression input and output.
- Güç Kaynağı: Twin Power system (solar and LR44 battery) for reliable operation.
- Fonksiyonlar: 335 built-in functions covering basic arithmetic, scientific, and statistical calculations.
- Direct Algebraic Input Logic (D.A.L.): Allows input of equations as they are written.
- Hafıza: 9 independent variable memories (STO, RCL, M+, M-).
- Kısayol tuşları: Four customizable shortcut keys (D1-D4) for frequently used functions.
- Number Systems: Supports calculations in decimal, hexadecimal, octal, binary, and pentary bases.
- Statistical Analysis: 1-variable and 2-variable statistics, including standard deviation, mean, and regression analysis.
- Eğitim Fonksiyonu: Includes a function for practicing multiplication tables (1x1 to 12x12) and basic arithmetic.
3. Kurulum
3.1. Pil Kurulumu
The calculator operates on a Twin Power system, utilizing both solar power and a single LR44 button cell battery. The battery is typically pre-installed. If the display becomes dim or unresponsive in low light, the battery may need replacement.
- Hesap makinesinin kapalı olduğundan emin olun.
- Hesap makinesinin arka tarafında bulunan pil bölmesini bulun.
- Bölme kapağını açmak için küçük bir tornavida kullanın.
- Eski LR44 pili çıkarın ve doğru kutuplara (+/-) dikkat ederek yeni bir pil takın.
- Replace the compartment cover and secure it with the screw.
3.2. İlk Güç Açma
Basın AÇIK/K. button to turn on the calculator. The display will show the initial screen. If the display is blank, ensure sufficient light for solar power or check the battery.

Şekil 3.2.1: Ön view of the Sharp EL-W531XG-YR Scientific Calculator, displaying a complex mathematical expression on its WriteView ekran.
4. Kullanım Talimatları
4.1. Temel İşlemler
Perform standard arithmetic calculations using the number keys and operators (+, -, x, ÷). Basmak = to get the result. The calculator uses Direct Algebraic Input Logic (D.A.L.), allowing you to input equations in a natural order.
4.2. YazView Görüntülemek
YazıView display allows you to enter and view mathematical expressions and symbols as they appear in textbooks. This 96 x 32 dot matrix display supports up to 4 lines of content. Use the cursor keys to navigate and edit expressions.
4.3. Bilimsel Fonksiyonlar
Access various scientific functions using the dedicated keys and the 2. F key for secondary functions. These include:
- Trigonometrik Fonksiyonlar: sin, cos, tan ve bunların ters fonksiyonları (sin-1, çünkü-1, yani-1).
- Hiperbolik Fonksiyonlar: hyp, and their inverse functions.
- Logarithmic and Exponential Functions: log, ln, 10x, vex.
- Kuvvet ve Kök Fonksiyonları: x2, √, xy, y√x.
- Factorial, Permutations, Combinations: n!, nPr, nCr.
- Constants: Pi (π), EXP.
4.4. Statistical Functions
The calculator supports statistical calculations for 1-variable and 2-variable data. To enter statistical mode, press MOD and select the appropriate statistical option. Functions include:
- Mean value (x̄, ȳ)
- Standard deviation (σx, σy, sx, sy)
- Sum of values (Σx, Σy, Σx2, Σy2, Σxy)
- Regression analysis (linear, quadratic, exponential, etc.)
4.5. Hafıza Fonksiyonları
The calculator has 9 independent memories (A-F, X, Y, M) to store and recall values. Use the Tanrı'ya şükür key to store a value and the RCL key to recall a stored value. M+ Ve M- are used to add or subtract values from the independent memory M.
4.6. Angle Units
The calculator supports three angle units: Degrees (DEG), Radians (RAD), and Gradians (GRAD). Press the DRG key to cycle through these units or use the KURMAK menu to select the desired unit.
4.7. Number Systems
Perform calculations and conversions in different number bases: Decimal (DEC), Hexadecimal (HEX), Octal (OCT), Binary (BIN), and Pentary (PEN). Use the dedicated keys or the MOD menu to switch between number systems.
4.8. Shortcut Keys (D1-D4)
The four shortcut keys (D1, D2, D3, D4) can be programmed to quickly access frequently used functions. Refer to the calculator's on-screen setup menu for instructions on how to assign functions to these keys.

Şekil 4.8.1: Açısal view of the Sharp EL-W531XG-YR Scientific Calculator with its protective hard case removed, showcasing the orange and black design.
5. Bakım
5.1. Temizlik
Hesap makinesini temizlemek için yumuşak, kuru bir bezle nazikçe silin. Aşındırıcı temizleyiciler, çözücüler veya ıslak bezler kullanmayın, çünkü bunlar hesap makinesine zarar verebilir.asing veya dahili bileşenler.
5.2. Pil Değişimi
Refer to Section 3.1 for instructions on replacing the LR44 battery. Always use a fresh, high-quality LR44 battery for optimal performance.
5.3. Depolama
When not in use, store the calculator in its protective hard case to prevent scratches and damage. Avoid exposing the calculator to extreme temperatures, humidity, or direct sunlight for extended periods.

Figure 5.3.1: The Sharp EL-W531XG-YR Scientific Calculator enclosed in its transparent protective hard case.
6. Sorun Giderme
- Hesap makinesi açılmıyor: Ensure sufficient light for solar panel. Check and replace the LR44 battery if necessary.
- Ekran loş veya boş: Move to a brighter area for solar power. Replace the LR44 battery.
- Hatalı hesaplama sonuçları: Check the input values and the selected mode (e.g., angle unit, number system). Reset the calculator if persistent issues occur (refer to the full manual for reset procedures).
- Tuşlar yanıt vermiyor: Ensure no debris is lodged under the keys. Clean the calculator as per Section 5.1.
7. Özellikler
| Özellik | Tanım |
|---|---|
| Model Numarası | EL-W531XG-YR (Manufacturer Part Number: 82-ELW531XG-YR) |
| Görüntülemek | 4-line, 96 x 32 dot matrix WriteView LCD |
| Fonksiyonlar | 335 |
| Güç Kaynağı | Solar and 1 x LR44 battery |
| Boyutlar (Y x G x D) | 168 x 80 x 14 mm (6.61 x 3.15 x 0.55 inç) |
| Ağırlık | 98.5 gr (0.22 lb) |
| Malzeme | Plastik |
| Renk | Turuncu |
| UPC | 4974019029962 |

Figure 7.1: The Sharp EL-W531XG-YR Scientific Calculator held in a hand, illustrating its compact size and ergonomic design.
8. Garanti ve Destek
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Sharp website. You can also find additional resources and a full digital manual at: keskin-world.com/calculator/.

Figure 8.1: Back of the product packaging, detailing specifications and providing the official Sharp calculator support webalan.





