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The Sharp EL-531 TH-WH is a scientific school calculator designed for a wide range of mathematical and scientific computations. It features a large 10-digit display and utilizes the Direct Algebraic Logic (D.A.L.) input method, allowing users to input equations as they are written. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your calculator.

Gambar 1: Hareupeun view of the Sharp EL-531 TH-WH Scientific Calculator, showcasing its display and key layout.
Disetél
Pamasangan batré
The Sharp EL-531 TH-WH calculator is powered by one LR44 battery, which is included. To install or replace the battery:
- Pastikeun kalkulatorna diputer Pareum.
- Teangan tempat panutup kompartemen batré dina tonggong kalkulator.
- Taliti nyabut panutup.
- Insert the LR44 battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Ganti panutup kompartemen batré aman.
Catetan: Proper battery installation is crucial for the calculator's functionality. If the display is dim or unresponsive, replace the battery.
Parentah Operasi
The EL-531 TH-WH uses Direct Algebraic Logic (D.A.L.) for input, allowing you to enter equations in the same order they are written.
Fungsi Dasar
- Hurungkeun/Pareuman: Pencét ON/C to turn on. The calculator features auto power off to conserve battery.
- Hapus: Pencét CA to clear all calculations and memory.
- Last Digit Correction: Use the navigation keys to retrieve and edit entries, or delete the last digit.
- Last Result Storage (ANS): Recall the result of the previous calculation.
- Fungsi mémori: STO (Store), RCL (Recall), M+ (Add to Memory), M- (Subtract from Memory). The calculator has 9 memory registers.
- Operasi Aritmatika: Perform addition (+), subtraction (–), multiplication (×), division (÷), and percentage (%).
Itungan
- Itungan konstan: Perform calculations with a repeating constant.
- Chain Calculation: Execute a series of operations sequentially.
- Decimal Place Programming: Set the number of decimal places (FIX), scientific notation (SCI), or engineering notation (ENG).
Sistem Jumlah
- Itungan: Perform operations in Binary (BIN), Octal (OCT), Decimal (DEC), Hexadecimal (HEX), and Penary (PEN) number systems.
- Konversi: Convert numbers between BIN, OCT, DEC, HEX, and PEN.
- Logical Operations: AND, OR, NOT, NEG, XOR.
Scientific Features
- Fungsi trigonometri: sin, cos, tan, and their inverse functions.
- Fungsi Hiperbolik: sinh, cosh, tanh, and their inverse functions.
- Fungsi Logaritma jeung Fungsi Eksponensial: ln, log, ex, 10x.
- Fungsi Daya sareng Akar: x2, x3, xy, x-1, √, 3√, x√.
- Konstanta: π (pi).
- Permutations and Combinations: nPr, nCr.
- Random Number Generator.
- Konversi: Fraction-decimal, polar-right angle, decimal-hexadecimal, angle measure (DEG/RAD/GRAD).
Statistics Functions
- Itungan Statistik: One-variable and two-variable statistics.
- Ukuran: Standard deviation, average.
- Regressions: Linear and other regression types (up to 6).

Figure 2: The calculator with its protective cover, demonstrating its compact design and key layout for various functions.
Pangropéa
To ensure the longevity and optimal performance of your Sharp EL-531 TH-WH calculator, follow these maintenance guidelines:
- beberesih: Use a soft, dry cloth to clean the calculator's exterior. Do not use abrasive cleaners, solvents, or spray directly onto the calculator.
- Panyimpenan: Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Always use the protective lid when not in use to prevent damage to the keys and display.
- Perawatan batré: Upami kalkulator moal dianggo dina waktos anu lami, disarankeun pikeun nyabut batréna pikeun nyegah bocor.
- Penanganan: Avoid dropping the calculator or subjecting it to strong impacts, as this can damage internal components.
Pamérésan masalah
If you encounter issues with your Sharp EL-531 TH-WH calculator, refer to the following common problems and their solutions:
- Kalkulator teu hurung:
- Pariksa naha batréna leres dipasang sareng polaritasna anu leres.
- Ganti batré LR44 ku nu anyar.
- Tampilan taram atanapi kosong:
- The battery may be low. Replace the LR44 battery.
- Ensure the calculator is not exposed to extreme temperatures.
- Hasil itungan anu salah:
- Pencét CA to clear all previous calculations and memory.
- Verify the input method and ensure you are using the correct functions for your calculation.
- Check the angle mode (DEG/RAD/GRAD) for trigonometric calculations.
- Konci teu ngaréspon:
- Pastikeun teu aya runtah anu nyangkut di handapeun konci.
- Coba pencét tombol RESET button (if available, usually a small recessed button requiring a thin object like a paperclip).
If problems persist, please refer to the official Sharp support resources.
spésifikasi
| Fitur | Rincian |
|---|---|
| Nomer modél | SH-EL531THWH |
| merek | Seukeut |
| Tipe Kalkulator | Élmu Pengetahuan / Téknik |
| tampilan | 2-line, 10-digit display with D.A.L. input |
| Ukuran layar | 9 cm (4 inches visible diagonal) |
| Sumber Daya | 1 x LR44 Battery (included) |
| Ukuran (L x W x H) | 6.34 x 3.15 x 0.59 inci (80 x 161 x 15 mm) |
| Beurat | 4.1 ons (110g) |
| Jumlah Fungsi | 273 |
| Mémori ngadaptar | 9 |
| Fitur | Auto power off, Plastic buttons, Protective lid |
Rojongan jeung Sumberdaya
For additional support, detailed manuals, or frequently asked questions, please visit the official Sharp Calculators websitus:
www.sharp-calculators.com/manuals
Pabrikan: Sharp Corporation





