Johdanto
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.
Kuva 1: Etuosa view of the SHARP EL531XTWH Scientific Calculator, showcasinsen näyttö ja näppäimistö.
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.
Asennus
1. Akun asennus
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.
- Sammuta laskin.
- Paikanna laskimen takaa löytyvä paristolokero.
- 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 (+/-).
- Sulje paristokotelon kansi kunnolla.
Kuva 2: Takaosa view laskimen kyljestä, joka osoittaa paristolokeron sijainnin.
2. Ensimmäinen käynnistys ja näytön tarkistus
Paina ON/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 RESET button (usually a small recessed button requiring a thin object like a paperclip).
Käyttöohjeet
1. Aritmeettisten peruslaskutoimitusten
Enter numbers and operations in the order they appear. The Direct Algebraic Logic (D.A.L.) system allows for natural input.
- Lisäys: [Number 1] [+] [Number 2] [=]
- Vähennyslasku: [Number 1] [-] [Number 2] [=]
- Kertominen: [Number 1] [x] [Number 2] [=]
- Jaosto: [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 2. luokka key first, indicated by text above the primary key function.
Kuva 3: Lähikuva view of the calculator's display and function keys.
Trigonometriset funktiot
Käyttää synti, cos, rusketus for sine, cosine, and tangent. Inverse functions (synti-1, cos-1, rusketus-1) pääsee käsiksi kautta 2. luokka.
Logarithmic and Exponential Functions
Keys include loki (common logarithm), ln (natural logarithm), 10x, ja ex.
Potenssi- ja juurifunktiot
Käyttää x2, x3, √ (square root), and 3√ (kuutiojuuri).
Muistin toiminnot
The calculator has 8 temporary memory buttons. Use STO (Store) to save a value and RCL (Palaa takaisin) noutaaksesi sen.
Tilastolliset laskelmat
Tilastotilaan siirtymiseksi paina MODE valitse sitten 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. Tilan valinta
Paina MODE key to switch between Normal and Statistical modes. Ensure you are in the correct mode for your calculations.
Huolto
1. Puhdistus
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. Varastointi
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. Pariston vaihto
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.
Vianetsintä
| Ongelma | Mahdollinen syy | Ratkaisu |
|---|---|---|
| Näyttö on tyhjä tai himmeä. | Riittämätön valo aurinkoenergialle tai akun varaus on heikko. | Move to a brighter area. Replace the LR44 battery. |
| Laskin ei reagoi näppäinpainalluksiin. | Temporary system error or low battery. | Paina RESET button on the back of the calculator using a thin, pointed object. Ensure battery is good. |
| Virheelliset laskutulokset. | Incorrect mode selected (e.g., DEG/RAD/GRAD, Normal/Stat), or input error. | Check the current mode settings. Review your input sequence. Perform a RESET tarvittaessa. |
| "ERROR" message on display. | Mathematical error (e.g., division by zero, invalid function argument). | Review the calculation for mathematical validity. Press ON/C poistaaksesi virheen. |
Tekniset tiedot
- Mallinumero: EL531XTWH
- Toiminnot: 273
- Näyttö: Suuri 12-numeroinen 2-rivinen LCD-näyttö
- Virtalähde: Twin powered (Solar with LR44 battery backup)
- Akun tyyppi: 1 x LR44 (sisältyy pakkaukseen)
- Mitat (P x L x K): 6.3 x 3.1 x 0.04 tuumaa
- Tuotteen paino: 5.6 unssia
- Väri: Mustavalkoinen
- Laskin tyyppi: Tekniikka/tieteellinen
Takuu ja tuki
For product support, warranty information, or inquiries, please contact SHARP Electronics of Canada Ltd. at the following details:
- Osoite: 5995 Avebury Road Suite 900, Mississauga ON, L5R 3P9, Canada
- Puhelin: (905) 568-7140
- Websivusto: www.sharp.ca
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