1. Pengenalan
The Sharp EL-531WHBK is a scientific calculator designed for a wide range of mathematical and scientific calculations. It features a 10+2 digit, 2-line LCD display and offers 272 functions, including statistical calculations, fraction calculations, and algebraic formula notation. This manual provides detailed instructions for the proper use and maintenance of your calculator.
Rajah 1: Depan view of the Sharp EL-531WHBK Scientific Calculator.
2. Langkah-langkah Keselamatan
- Do not expose the calculator to direct sunlight, high temperatures, or high humidity.
- Elakkan daripada menjatuhkan kalkulator atau menyebabkannya terkena hentaman yang kuat.
- Do not attempt to disassemble or modify the calculator.
- Keep the calculator away from water and other liquids.
- Gunakan hanya jenis bateri yang ditentukan untuk penggantian.
- Buang bateri terpakai mengikut peraturan tempatan.
3. Persediaan
3.1 Pemasangan Bateri
The Sharp EL-531WHBK calculator is powered by two LR44 batteries, which are included. To install or replace batteries:
- Pastikan kalkulator diputar DIMATIKAN.
- Cari penutup petak bateri di bahagian belakang kalkulator.
- Using a small screwdriver, carefully remove the screw securing the cover.
- Remove the cover and insert the two LR44 batteries, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Gantikan penutup petak bateri dan kencangkannya dengan skru.
Nota: The calculator also features solar power for extended battery life in well-lit conditions.
3.2 Kuasa Awal Hidup
Selepas pemasangan bateri, tekan butang HIDUP/C key to turn on the calculator. The display should show "0" or a similar initial state. If the display is blank or shows unusual characters, recheck battery installation or replace with new batteries.
4. Arahan Operasi
This section outlines the various functions and operations of the EL-531WHBK calculator.
Figure 2: Operating the Sharp EL-531WHBK Scientific Calculator.
4.1 Operasi Aritmetik Asas
Masukkan nombor menggunakan papan kekunci berangka. Gunakan +, -, ×, dan ÷ keys for addition, subtraction, multiplication, and division, respectively. Press = untuk memaparkan hasilnya.
- Example: Untuk mengira 15 + 7: Tekan 1 5 + 7 =. Result: 22.
4.2 Fungsi Saintifik
The calculator provides a wide array of scientific functions. Many functions require pressing the 2ndF key first to access secondary functions printed above the keys.
- Fungsi trigonometri: guna dosa, cos, sawo matang. For inverse functions (sin⁻¹, cos⁻¹, tan⁻¹), press 2ndF then the respective trigonometric key.
- Fungsi Logaritma: guna log (asas 10) dan ln (logaritma asli).
- Kuasa dan Akar: guna x² for squaring, √ for square root. For other powers (xʸ) or roots (ʸ√x), use the yˣ or ʸ√x fungsi.
- Pecahan: Gunakan ab/c kekunci untuk input dan penukaran pecahan.
4.3 Fungsi Memori
The calculator has independent memory (M) and seven variable memories (A-F, X, Y).
- M+: Adds the displayed value to the independent memory.
- M-: Subtracts the displayed value from the independent memory.
- RCL: Recalls the value from memory.
- STO: Stores the displayed value into a variable memory. Press STO then the desired variable key (e.g., A).
4.4 Statistical Calculations
Untuk memasuki mod statistik, tekan MODE then select the appropriate statistical mode (e.g., STAT). Input data using the CD DATA key. The calculator can perform various statistical calculations, including mean, standard deviation, and regression analysis.
4.5 Angle Unit Modes
The calculator supports three angle unit modes: Degrees (DEG), Radians (RAD), and Gradians (GRAD). Press the DRG key repeatedly to cycle through these modes. The current mode is indicated on the display.
5. Penyelenggaraan
5.1 Pembersihan
To clean the calculator, wipe it gently with a soft, dry cloth. Do not use abrasive cleaners, solvents, or spray directly onto the calculator.
5.2 Penyimpanan
When not in use for extended periods, store the calculator in its protective hard case in a cool, dry place, away from direct sunlight and extreme temperatures.
5.3 Penggantian Bateri
If the display becomes dim or calculations are erratic, it may be time to replace the batteries. Refer to section 3.1 for battery installation instructions. The calculator uses two LR44 batteries.
6. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Kalkulator tidak boleh dihidupkan. | Bateri mati atau tidak dipasang dengan betul. | Check battery polarity or replace batteries (LR44). |
| Paparan malap atau berkelip. | Kuasa bateri rendah. | Replace batteries. Ensure adequate lighting for solar power. |
| "ERROR" message displayed. | Invalid operation (e.g., division by zero, mathematical overflow). | Tekan HIDUP/C to clear the error and re-enter the calculation. Review the operation for mathematical validity. |
| Keputusan pengiraan yang salah. | Incorrect mode setting (e.g., angle unit), input error. | Check the angle unit (DEG/RAD/GRAD). Verify input sequence. Reset calculator if necessary (refer to manual for reset procedure, usually involves a small reset button or specific key combination). |
7. Spesifikasi
Figure 3: Dimensions of the Sharp EL-531WHBK Scientific Calculator.
| Ciri | Perincian |
|---|---|
| Model | EL-531WHBK |
| Paparan | 10+2 digit, 2-line LCD |
| Fungsi | 272 fungsi |
| Sumber Kuasa | Battery (2 x LR44), Solar Powered |
| Dimensi (L x W x H) | 15.45 x 7.96 x 1.82 cm (6.08 x 3.13 x 0.72 inci) |
| Berat badan | 110 g (0.24 paun) |
| Input Antara Muka Manusia | Butang |
| Jenis Bahan | Getah, Silikon |
8. Waranti dan Sokongan
Sharp products are manufactured to high quality standards. For warranty information and technical support, please refer to the warranty card included with your product or visit the official Sharp support webtapak.
For further assistance, you may contact Sharp customer service or visit their official webtapak:
- Sharp Official Webtapak: www.sharp.ca
- Sharp Store on Amazon: Sharp Electronics of Canada Ltd. Store
