1. Uvod
This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-W531 Scientific Calculator. Please read this manual thoroughly before using the calculator to ensure correct operation and to maximize its functionality. The EL-W531 features a WriteView display, allowing for natural input and display of mathematical expressions, and offers 335 functions suitable for various scientific and engineering calculations.
2. Proizvod je gotovview
The Sharp EL-W531 is a scientific calculator designed for clarity and ease of use. It features a large WriteView dot-matrix display and a comprehensive set of keys for various mathematical operations.

Slika 2.1: Front view of the Sharp EL-W531 Scientific Calculator, showing the WriteView display and key layout. The display shows a fraction calculation, and keys are organized for easy access to functions.

Slika 2.2: Side view of the Sharp EL-W531 Scientific Calculator illustrating its compact dimensions. The calculator measures approximately 17 cm (7.0 inches) in length.
3. Podešavanje
3.1 Izvor napajanja
The Sharp EL-W531 calculator operates using both solar power and a single AAA battery. The solar panel provides power in well-lit environments, while the battery ensures operation in low-light conditions.
3.2 Ugradnja/zamjena baterije
- Provjerite je li kalkulator isključen.
- Pronađite poklopac odjeljka za baterije na stražnjoj strani kalkulatora.
- Pomoću malog odvijača pažljivo odvrnite vijak koji pričvršćuje poklopac.
- Sklonite poklopac.
- Remove the old AAA battery (if applicable) and insert a new AAA battery, ensuring correct polarity (+/-).
- Vratite poklopac odeljka za baterije i pričvrstite ga vijkom.
3.3 Početno uključivanje
Pritisnite ON/C button to turn on the calculator. The display will show the last calculation or be cleared, depending on the previous state.
4. Uputstvo za upotrebu
4.1 Osnovni proračuni
Za obavljanje osnovnih aritmetičkih operacija:
- Enter the first number.
- Press the desired operation key (+, -, ×, ÷).
- Unesite drugi broj.
- Pritisnite = za prikaz rezultata.
4.2 PišiteView Display
The WriteView ekran vam omogućava da unesete i view mathematical expressions as they appear in textbooks. Fractions, roots, and other complex expressions are displayed in a natural format. Use the navigation keys (up, down, left, right arrows) to move the cursor within an expression for editing.
4.3 Function Modes
The calculator offers various modes for different types of calculations. Press the MODE key to cycle through available modes such as:
- NORMALNO: For general arithmetic and function calculations.
- STAT: For statistical calculations.
- EQN: For solving equations.
Refer to the on-screen indicators (e.g., DEG, RAD, GRAD) for the current angle unit. Press DRG► (pristupljeno putem 2. F) to change the angle unit.
4.4 Naučne funkcije
The EL-W531 includes 335 functions. Many functions are accessed directly, while others require pressing the 2. F key first. Common functions include:
- Trigonometrijski: sin, cos, tan i njihove inverzne funkcije (sin-1, cos-1, tako-1).
- Logarithmic/Exponential: log, ln, 10x, ex.
- Power/Root: x2, √, xy, y√x.
- razlomci: a b/c key for mixed numbers and improper fractions.
- Memorija: STO (store), RCL (recall), M+ (memory plus).
Consult the key labels and the calculator's display for specific function usage.
5. Održavanje
5.1 Čišćenje
Da biste očistili kalkulator, nježno ga obrišite mekom, suhom krpom. Nemojte koristiti abrazivna sredstva za čišćenje, rastvarače ili vlažne krpe, jer mogu oštetiti kalkulator.asing ili unutrašnjih komponenti.
5.2 Skladištenje
Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. If storing for an extended period, it is advisable to remove the battery to prevent leakage.
5.3 Njega baterija
Replace the AAA battery promptly when the display becomes dim or erratic. Dispose of used batteries according to local regulations.
6. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Kalkulator se ne uključuje. | Low or dead battery; insufficient light for solar panel. | Replace the AAA battery. Ensure adequate lighting for the solar panel. |
| Ekran je taman ili prazan. | Low battery; insufficient light. | Replace the AAA battery. Move to a brighter area. |
| Netačni rezultati izračuna. | Incorrect mode setting; input error; memory error. | Check the current mode (e.g., DEG/RAD). Clear all memory (2. F M-CLR). Re-enter the calculation carefully. |
| Prikazana je poruka "GREŠKA". | Mathematical error (e.g., division by zero, invalid input). | Pritisnite ON/C da biste izbrisali grešku. Review your input and the mathematical operation. |
7. Specifikacije
- Brand: Sharp
- Model: EL-W531
- Vrsta prikaza: Dot-matrix LCD, WriteView
- Rezolucija ekrana: 96 x 32 piksela
- Funkcije: 335
- Izvor napajanja: Solar and 1 x AAA battery (included)
- Vrsta kontrole: Dugmad
- Dimenzije (Š x D x V): 8 x 16.8 x 1.4 cm (približno 3.15 x 6.61 x 0.55 inča)
- Težina: Približno 104.33 g (3.68 oz)
- Boja: Metallic Green (model XH-GR)
8. Garancija i podrška
For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your product or visit the official Sharp webweb-mjestu. Kontaktni podaci za korisničku podršku obično su dostupni na web-mjestu proizvođača website.





