„Sharp EL-531TGGR“ mokslinio skaičiuotuvo naudotojo vadovas

1. Įvadas

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. Saugos informacija

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

• Nebandykite ardyti ar modifikuoti skaičiuotuvo. Tai gali sukelti gedimą ir panaikinti garantiją.
• Avoid exposing the calculator to extreme temperatures, direct sunlight for prolonged periods, or high humidity.
• Skaičiuoklę laikykite atokiau nuo vandens ir kitų skysčių.
• Use only the specified battery type (LR44). Ensure correct polarity when installing batteries.
• Išmeskite panaudotas baterijas laikydamiesi vietinių taisyklių.
• Keep the calculator out of reach of small children to prevent accidental ingestion of small parts or batteries.

3. Darbo pradžia ir sąranka

3.1. Maitinimo šaltinis

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. Akumuliatoriaus įdėjimas/keitimas

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. Įsitikinkite, kad skaičiuotuvas yra IŠJUNGTAS.
2. Skaičiuoklės gale suraskite baterijų skyriaus dangtelį.
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. Uždėkite akumuliatoriaus dangtelį ir pritvirtinkite varžtu.

3.3. Įjungimas/Išjungimas

• To turn ON the calculator, press the [ON/C] raktas.
• To turn OFF the calculator, press [2nd F] sekė [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 [ATSTATYTI] 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.

1 pav.: priekis 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 [ALFA] raktus.

4.1. Basic Arithmetic

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

4.2. Mokslinės funkcijos

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

• Trigonometrija: Naudokite [nuodėmė], [nes], [įdegis]. For inverse functions, press [2nd F] tada atitinkamą raktą.
• Logaritmai: Naudokite [žurnalas] (10 bazė) ir [ln] (natūralusis logaritmas).
• Galios ir šaknys: Naudokite [x²] kvadratūrai [2nd F] tada [x²] for square root (√). For general powers, use [y^x].
• Trupmenos: Naudokite [ab/c] key for entering and calculating with fractions.

4.3. Režimo nustatymai

Paspauskite [REŽIMAS] key to cycle through different calculation modes (e.g., Normal, Stat, Drill). Use the arrow keys to navigate and [=] pasirinkti.

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. Atminties funkcijos

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

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

5. Priežiūra

5.1. Valymas

Norėdami valyti skaičiuotuvą, švelniai nuvalykite jį minkštu, sausu skudurėliu. Nenaudokite abrazyvinių valiklių, tirpiklių ar šlapių šluosčių, nes jie gali pažeisti skaičiuotuvą.asing arba vidiniai komponentai.

5.2. Sandėliavimas

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.

3 pav.: Šoninis profilisfile of the Sharp EL-531TGGR Scientific Calculator, highlighting its slim design.

6. Problemų sprendimas

Jei kyla problemų dėl skaičiuotuvo, žr. šias dažniausiai pasitaikančias problemas ir sprendimus:

7. Specifikacijos

• Modelis: SH-EL531TGGR
• Prekinis ženklas: Aštrus
• Funkcijos: 273
• Ekranas: 2-line LCD, 10 digits
• Maitinimo šaltinis: Solar and 1 x LR44 battery (included)
• Matmenys: 161 mm (ilgis) x 80 mm (plotis) x 15 mm (aukštis)
• Svoris: Maždaug 110 g
• Medžiaga: Plastikiniai
• Spalva: Žalia

8. Garantija ir palaikymas

8.1. Informacija apie garantiją

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 websvetainėje, kur rasite daugiau informacijos.

8.2. Pagalba klientams

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 websvetainėje arba ant jūsų produkto pakuotės.