pengenalan
This manual provides comprehensive instructions for the proper use and maintenance of your SHARP EL531XTWH Scientific Calculator. Designed for students and professionals, this calculator offers over 273 advanced scientific and mathematical functions, utilizing Direct Algebraic Logic (D.A.L.) for intuitive operation.
Rajah 1: Depan view of the SHARP EL531XTWH Scientific Calculator, showcasing paparan dan pad kekuncinya.
Key features include a large 12-digit, 2-line LCD display, 273 functions, two operational modes (Normal & Stat), 8 temporary memory buttons, and 1 & 2 variable statistics capabilities. Its durable design and twin power source (solar with battery backup) ensure reliable performance.
Persediaan
1. Pemasangan Bateri
The SHARP EL531XTWH calculator is twin-powered, operating on solar energy with a battery backup. A 1.5V LR44 battery is included. If the display becomes dim or unresponsive in low light, the battery may need replacement.
- Turn the calculator OFF.
- Cari petak bateri di bahagian belakang kalkulator.
- Carefully open the battery cover using a small screwdriver or coin.
- Remove the old battery (if applicable) and insert a new LR44 battery, ensuring the correct polarity (+/-).
- Tutup penutup bateri dengan selamat.
Rajah 2: Belakang view of the calculator, indicating the battery compartment location.
2. Initial Power On and Display Check
Tekan ke HIDUP/C key to turn on the calculator. The display should show "0." or "0.00" depending on the initial settings. If the display is blank or shows unusual characters, ensure the battery is correctly installed and try pressing the TETAP SEMULA button (usually a small recessed button requiring a thin object like a paperclip).
Arahan Operasi
1. Basic Arithmetic Operations
Enter numbers and operations in the order they appear. The Direct Algebraic Logic (D.A.L.) system allows for natural input.
- Tambahan: [Number 1] [+] [Number 2] [=]
- Penolakan: [Number 1] [-] [Number 2] [=]
- Pendaraban: [Number 1] [x] [Number 2] [=]
- Bahagian: [Number 1] [÷] [Number 2] [=]
2. Function Keys Overview
The calculator features a wide array of function keys. Many keys have secondary functions, accessed by pressing the Tingkat 2 key first, indicated by text above the primary key function.
Rajah 3: Jarak dekat view of the calculator's display and function keys.
Fungsi Trigonometri
guna dosa, cos, sawo matang untuk sinus, kosinus dan tangen. Fungsi songsang (dosa-1, cos-1, sawo matang-1) diakses melalui Tingkat 2.
Logarithmic and Exponential Functions
Keys include log (common logarithm), ln (natural logarithm), 10x, dan ex.
Fungsi Kuasa dan Akar
gunakan x2, x3, √ (square root), and 3√ (akar kubik).
Fungsi Memori
The calculator has 8 temporary memory buttons. Use STO (Store) to save a value and RCL (Recall) to retrieve it.
Pengiraan Statistik
Untuk memasuki mod statistik, tekan MODE kemudian pilih STAT. The calculator supports 1 and 2 variable statistics. Refer to the on-screen prompts for data entry and calculation of statistical values like mean, standard deviation, etc.
3. Pemilihan Mod
Tekan ke MODE key to switch between Normal and Statistical modes. Ensure you are in the correct mode for your calculations.
Penyelenggaraan
1. Pembersihan
To clean the calculator, gently wipe the surface with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, but ensure no liquid enters the calculator. Do not use abrasive cleaners or solvents.
2. Penyimpanan
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 prolonged periods.
Figure 4: The calculator shown with its durable gloss black protective hard case.
3. Penggantian Bateri
As mentioned in the Setup section, replace the LR44 battery when the display becomes dim or the calculator malfunctions in low light conditions. Always dispose of old batteries according to local regulations.
Menyelesaikan masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Paparan kosong atau malap. | Cahaya yang tidak mencukupi untuk kuasa solar atau bateri lemah. | Move to a brighter area. Replace the LR44 battery. |
| Kalkulator tidak bertindak balas terhadap tekanan kekunci. | Temporary system error or low battery. | Tekan ke TETAP SEMULA button on the back of the calculator using a thin, pointed object. Ensure battery is good. |
| Keputusan pengiraan yang salah. | Incorrect mode selected (e.g., DEG/RAD/GRAD, Normal/Stat), or input error. | Check the current mode settings. Review your input sequence. Perform a TETAP SEMULA jika perlu. |
| "ERROR" message on display. | Mathematical error (e.g., division by zero, invalid function argument). | Review the calculation for mathematical validity. Press HIDUP/C untuk membersihkan ralat. |
Spesifikasi
- Nombor Model: EL531XTWH
- Fungsi: 273
- paparan: LCD 12-digit besar, 2-baris
- Sumber Kuasa: Twin powered (Solar with LR44 battery backup)
- Jenis Bateri: 1 x LR44 (termasuk)
- Dimensi (L x W x H): 6.3 x 3.1 x 0.04 inci
- Berat Barang: 5.6 auns
- warna: Hitam dan Putih
- Jenis Kalkulator: Kejuruteraan/Saintifik
Waranti dan Sokongan
For product support, warranty information, or inquiries, please contact SHARP Electronics of Canada Ltd. at the following details:
- Alamat: 5995 Avebury Road Suite 900, Mississauga ON, L5R 3P9, Canada
- telefon: (905) 568-7140
- Webtapak: www.sharp.ca
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