Uživatelská příručka vědecké kalkulačky Sharp EL-531TGGR

1. Úvod

This manual provides detailed instructions for the proper use and care of your Sharp EL-531TGGR Scientific Calculator. Designed for students and professionals, this calculator offers over 273 advanced scientific functions, a 2-line LCD display, and multi-line playback for efficient problem-solving. It is suitable for general mathematics, algebra, geometry, trigonometry, statistics, biology, chemistry, and general science courses.

The EL-531TGGR features a durable hard case to protect it from scratches and damage during transport and storage.

2. Bezpečnostní informace

Please read and understand the following safety precautions before using your calculator:

• Do not attempt to disassemble or modify the calculator. This can lead to malfunction and voids the warranty.
• Avoid exposing the calculator to extreme temperatures, direct sunlight for prolonged periods, or high humidity.
• Uchovávejte kalkulačku mimo dosah vody a jiných kapalin.
• Use only the specified battery type (LR44). Ensure correct polarity when installing batteries.
• Použité baterie zlikvidujte v souladu s místními předpisy.
• Keep the calculator out of reach of small children to prevent accidental ingestion of small parts or batteries.

3. Začínáme a nastavení

3.1. Zdroj napájení

The Sharp EL-531TGGR calculator is powered by both solar energy and a single LR44 battery. The solar panel provides power in well-lit environments, while the battery ensures operation in low-light conditions.

3.2. Instalace/výměna baterie

The calculator comes with one LR44 battery included. If the display becomes dim or the calculator does not turn on in low light, the battery may need replacement.

1. Ujistěte se, že je kalkulačka VYPNUTÁ.
2. Najděte kryt přihrádky na baterie na zadní straně kalkulačky.
3. Using a small screwdriver, carefully remove the screw and open the battery cover.
4. Remove the old LR44 battery and insert a new one, ensuring the correct positive (+) and negative (-) polarity.
5. Nasaďte kryt baterie a zajistěte jej šroubem.

3.3. Zapnutí/vypnutí

• To turn ON the calculator, press the [ON/C] klíč.
• To turn OFF the calculator, press [2nd F] následuje [OFF/C]. The calculator also features an auto-power-off function to conserve battery life after a period of inactivity.

3.4. Initial Reset

After battery replacement or if the calculator behaves erratically, a reset may be necessary. Press the [RESETOVAT] button located on the back of the calculator using a thin, pointed object (e.g., a straightened paper clip). This will clear all memory and settings.

Obrázek 1: Přední strana view of the Sharp EL-531TGGR Scientific Calculator, showcasing its green body, black keys, and 2-line LCD display.

4. Basic and Advanced Operations

The EL-531TGGR offers 273 functions. Familiarize yourself with the key layout and the functions printed above and below each key, which are accessed using the [2nd F] (second function) and [ALPHA] klíče.

4.1. Basic Arithmetic

Perform addition, subtraction, multiplication, and division using the [+], [-], [×], [÷] klíče. lis [=] to calculate the result.

4.2. Vědecké funkce

Access trigonometric functions (sin, cos, tan), inverse trigonometric functions (sin^-1, cos^-1, tak^-1), logarithms (log, ln), powers (x^y, x²), and roots (√) directly or via the [2nd F] klíč.

• Trigonometry: Použití [sin], [cos], [tan]. For inverse functions, press [2nd F] then the respective key.
• Logarithms: Použití [log] (základ 10) a [ln] (přirozený logaritmus).
• Síly a kořeny: Použití [x²] pro umocnění, [2nd F] pak [x²] for square root (√). For general powers, use [y^x].
• zlomky: Použijte [a b/c] key for entering and calculating with fractions.

4.3. Nastavení režimu

Stiskněte tlačítko [REŽIM] key to cycle through different calculation modes (e.g., Normal, Stat, Drill). Use the arrow keys to navigate and [=] vybrat.

4.4. Angle Units (DRG)

The calculator supports Degree (DEG), Radian (RAD), and Grad (GRAD) angle units. Press [DRG] to change the angle unit. The current unit is indicated on the display.

4.5. Paměťové funkce

The calculator includes independent memory ([M+], [M-], [RCL]) and variable memories ([STO], [RCL] s [ALPHA] variables A-F).

Figure 2: The Sharp EL-531TGGR calculator shown with its protective hard case, designed to prevent scratches and damage.

5. Údržba

5.1. Čištění

To clean the calculator, wipe it gently with a soft, dry cloth. Do not use abrasive cleaners, solvents, or wet cloths, as these can damage the casing nebo vnitřních součástí.

5.2. Skladování

When not in use, store the calculator in its protective hard case. Avoid storing it in areas with extreme temperatures, high humidity, or direct sunlight. Remove the battery if the calculator will not be used for an extended period to prevent leakage.

Obrázek 3: Boční profíkfile of the Sharp EL-531TGGR Scientific Calculator, highlighting its slim design.

6. Řešení problémů

Pokud narazíte na problémy s kalkulačkou, podívejte se na následující běžné problémy a jejich řešení:

7. Specifikace

• Model: SH-EL531TGGR
• Značka: Ostrý
• Funkce: 273
• Zobrazit: 2-line LCD, 10 digits
• Zdroj napájení: Solar and 1 x LR44 battery (included)
• Rozměry: 161 mm (D) x 80 mm (Š) x 15 mm (V)
• Hmotnost: Přibližně 110 g
• Materiál: Plast
• Barva: Zelený

8. Záruka a podpora

8.1. Informace o záruce

Your Sharp EL-531TGGR Scientific Calculator is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included with your product for specific terms and conditions, or visit the official Sharp webpro více podrobností.

8.2. Zákaznická podpora

For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact Sharp customer support. Contact information can typically be found on the official Sharp webwebu nebo na obalu vašeho produktu.