1. Pengenalan
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. Produk Lebihview
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.
Rajah 2.1: Depan 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.
Rajah 2.2: sebelah view of the Sharp EL-W531 Scientific Calculator illustrating its compact dimensions. The calculator measures approximately 17 cm (7.0 inches) in length.
3. Persediaan
3.1 Sumber Kuasa
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 Pemasangan/Penggantian Bateri
- Pastikan kalkulator dimatikan.
- Cari penutup petak bateri di bahagian belakang kalkulator.
- Using a small screwdriver, carefully remove the screw securing the cover.
- Luncurkan penutup.
- Remove the old AAA battery (if applicable) and insert a new AAA battery, ensuring correct polarity (+/-).
- Gantikan penutup petak bateri dan kencangkannya dengan skru.
3.3 Kuasa Awal Hidup
Tekan ke HIDUP/C button to turn on the calculator. The display will show the last calculation or be cleared, depending on the previous state.
4. Arahan Operasi
4.1 Pengiraan Asas
Untuk melakukan operasi aritmetik asas:
- Enter the first number.
- Press the desired operation key (+, -, ×, ÷).
- Enter the second number.
- Tekan = untuk memaparkan hasilnya.
4.2 MenulisView Paparan
TulisView paparan membolehkan anda memasukkan dan 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 MODE key to cycle through available modes such as:
- BIASA: For general arithmetic and function calculations.
- STAT: 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 Tingkat 2) to change the angle unit.
4.4 Fungsi Saintifik
The EL-W531 includes 335 functions. Many functions are accessed directly, while others require pressing the Tingkat 2 key first. Common functions include:
- Trigonometric: sin, cos, tan, and their inverse functions (sin-1, cos-1, begitu-1).
- Logarithmic/Exponential: log, ln, 10x, ex.
- Power/Root: x2, √, xy, y√x.
- Pecahan: a b/c key for mixed numbers and improper fractions.
- Ingatan: STO (store), RCL (recall), M+ (memory plus).
Consult the key labels and the calculator's display for specific function usage.
5. Penyelenggaraan
5.1 Pembersihan
Untuk membersihkan kalkulator, lap perlahan-lahan menggunakan kain lembut dan kering. Jangan gunakan pembersih, pelarut atau kain basah yang kasar, kerana ini boleh merosakkannya.asing atau komponen dalaman.
5.2 Penyimpanan
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 Penjagaan Bateri
Replace the AAA battery promptly when the display becomes dim or erratic. Dispose of used batteries according to local regulations.
6. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Kalkulator tidak boleh dihidupkan. | Low or dead battery; insufficient light for solar panel. | Replace the AAA battery. Ensure adequate lighting for the solar panel. |
| Paparan malap atau kosong. | Low battery; insufficient light. | Replace the AAA battery. Move to a brighter area. |
| Keputusan pengiraan yang salah. | Incorrect mode setting; input error; memory error. | Check the current mode (e.g., DEG/RAD). Clear all memory (Tingkat 2 M-CLR). Re-enter the calculation carefully. |
| "ERROR" message displayed. | Mathematical error (e.g., division by zero, invalid input). | Tekan HIDUP/C to clear the error. Review your input and the mathematical operation. |
7. Spesifikasi
- Jenama: tajam
- model: EL-W531
- Jenis Paparan: Dot-matrix LCD, WriteView
- Resolusi Paparan: 96 x 32 piksel
- Fungsi: 335
- Sumber Kuasa: Solar and 1 x AAA battery (included)
- Jenis Kawalan: Butang
- Dimensi (W x D x H): 8 x 16.8 x 1.4 cm (kira-kira 3.15 x 6.61 x 0.55 inci)
- Berat: Kira-kira 104.33 g (3.68 oz)
- warna: Metallic Green (model XH-GR)
8. Waranti dan Sokongan
For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your product or visit the official Sharp webtapak. Butiran hubungan untuk perkhidmatan pelanggan biasanya tersedia pada pengilang webtapak.
