Einführung
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.
Abbildung 1: Vorderseite view of the SHARP EL531XTWH Scientific Calculator, showcasing sein Display und seine Tastatur.
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.
Aufstellen
1. Einlegen der Batterie
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.
- Suchen Sie das Batteriefach auf der Rückseite des Taschenrechners.
- 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 (+/-).
- Schließen Sie die Batterieabdeckung fest.
Abbildung 2: Zurück view of the calculator, indicating the battery compartment location.
2. Initial Power On and Display Check
Drücken Sie die EIN/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 ZURÜCKSETZEN button (usually a small recessed button requiring a thin object like a paperclip).
Bedienungsanleitung
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.
- Zusatz: [Number 1] [+] [Number 2] [=]
- Subtraktion: [Number 1] [-] [Number 2] [=]
- Multiplikation: [Number 1] [x] [Number 2] [=]
- Division: [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. F key first, indicated by text above the primary key function.
Abbildung 3: Nahaufnahme view of the calculator's display and function keys.
Trigonometrische Funktionen
Verwenden Sünde, cos, bräunen for sine, cosine, and tangent. Inverse functions (Sünde-1, cos-1, bräunen-1) werden aufgerufen über 2. F.
Logarithmische und Exponentialfunktionen
Keys include Protokoll (dekadischer Logarithmus), ln (natural logarithm), 10x, Und ex.
Potenz- und Wurzelfunktionen
Nutzen x2, x3, √ (square root), and 3√ (cube root).
Speicherfunktionen
The calculator has 8 temporary memory buttons. Use STO (Store) to save a value and RCL (Recall) to retrieve it.
Statistische Berechnungen
To enter statistical mode, press MODUS dann 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. Modusauswahl
Drücken Sie die MODUS key to switch between Normal and Statistical modes. Ensure you are in the correct mode for your calculations.
Wartung
1. Reinigung
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. Speicherung
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. Batteriewechsel
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.
Fehlerbehebung
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Das Display ist leer oder dunkel. | Unzureichendes Licht für Solarenergie oder schwacher Batteriestand. | Begeben Sie sich an einen helleren Ort. Tauschen Sie die LR44-Batterie aus. |
| Der Taschenrechner reagiert nicht auf Tastendrücke. | Temporary system error or low battery. | Drücken Sie die ZURÜCKSETZEN button on the back of the calculator using a thin, pointed object. Ensure battery is good. |
| Falsche Berechnungsergebnisse. | Incorrect mode selected (e.g., DEG/RAD/GRAD, Normal/Stat), or input error. | Check the current mode settings. Review your input sequence. Perform a ZURÜCKSETZEN wenn nötig. |
| "ERROR" message on display. | Mathematical error (e.g., division by zero, invalid function argument). | Review the calculation for mathematical validity. Press EIN/C um den Fehler zu löschen. |
Technische Daten
- Modellnummer: EL531XTWH
- Funktionen: 273
- Anzeige: Großes 12-stelliges, 2-zeiliges LCD
- Energiequelle: Twin powered (Solar with LR44 battery backup)
- Akku-Typ: 1 x LR44 (im Lieferumfang enthalten)
- Abmessungen (L x B x H): 6.3 x 3.1 x 0.04 Zoll
- Artikelgewicht: 5.6 Unzen
- Farbe: Schwarz und Weiß
- Rechnertyp: Ingenieurwesen/Wissenschaft
Garantie und Support
For product support, warranty information, or inquiries, please contact SHARP Electronics of Canada Ltd. at the following details:
- Adresse: 5995 Avebury Road Suite 900, Mississauga ON, L5R 3P9, Canada
- Telefon: (905) 568-7140
- WebWebsite: www.sharp.ca
Bitte bewahren Sie Ihren Kaufbeleg für Garantieansprüche auf.
