Sharp EL-738XTB Financial Calculator User Manual

Įvadas

This manual provides comprehensive instructions for the operation and maintenance of your Sharp EL-738XTB 10-Digit Fully Featured Non-programmable Financial Calculator. Designed for business students and professionals, this calculator is ideal for applications in finance, economics, banking, real estate, sales, and accounting. Please read this manual thoroughly to ensure proper use and to maximize the calculator's capabilities.

Produktas baigtasview

Vaizdas: priekis view of the Sharp EL-738XTB Financial Calculator, displaying its 10-digit LCD screen and full keypad with financial, statistical, and standard arithmetic functions.

The Sharp EL-738XTB features a large 10-digit, 2-line LCD display for clear readability. It includes dedicated keys for various financial calculations such as Time Value of Money (TVM), amortization, cash flow analysis (NPV, IRR), and depreciation. Additionally, it supports 1-variable and 2-variable statistics, scientific functions, and has 11 memory registers.

Sąranka

Akumuliatoriaus montavimas

The Sharp EL-738XTB requires one CR2032 battery. To install or replace the battery:

1. Įsitikinkite, kad skaičiuotuvas yra IŠJUNGTAS.
2. Skaičiuoklės gale suraskite baterijų skyriaus dangtelį.
3. Mažu atsuktuvu atsukite dangtelį laikantį varžtą, tada nuimkite dangtelį.
4. Išimkite seną bateriją (jei taikoma) ir įdėkite naują CR2032 bateriją teigiama (+) puse į viršų.
5. Uždėkite akumuliatoriaus skyriaus dangtelį ir pritvirtinkite jį varžtu.

Pradinis įjungimas

Paspauskite ON/C key to turn on the calculator. The display should show "0." or similar. If the display is dim or blank, check the battery installation.

Naudojimo instrukcijos

Pagrindinės operacijos

• Aritmetika: Įveskite skaičius ir naudokite +, -, ×, ÷ raktai. Paspauskite = už rezultatą.
• Išvalyti įrašą / Viskas išvalyta: Paspauskite ON/C once to clear the current entry. Press it twice to clear all calculations and memory (except independent memory).
• Second Function: Many keys have a second function, indicated above the key. Press 2-oji F then the desired key to access its second function.

Financial Functions (TVM)

The calculator is equipped with Time Value of Money (TVM) functions for financial calculations. The primary TVM keys are N (number of periods), I/Y (interest rate per year), PV (present value), PMT (payment), and FV (future value).

1. Setting P/Y (Payments per Year): Paspauskite 2-oji F tada P/Y. Enter the desired number of payments per year (e.g., 12 for monthly) and press ENT.
2. Inputting Values: Enter a numerical value, then press the corresponding TVM key (N, I/Y, PV, PMT, arba FV) to store it.
3. Calculating Unknown: After inputting at least four of the five TVM variables, press the key for the unknown variable to calculate its value. For example, to find PMT, input N, I/Y, PV, FV, then press PMT.

Amortization Calculation

To calculate amortization schedules, use the AMRT function. This typically follows a TVM calculation where a loan is defined.

Cash Flow Analysis (NPV, IRR)

The calculator supports cash flow analysis using Net Present Value (NPV) and Internal Rate of Return (IRR). Use the CFi (Cash Flow Input) and COMP (Compute) keys in conjunction with the NPV ir IRR functions (accessed via 2-oji F).

Nusidėvėjimas

The calculator offers three different methodologies for depreciation calculation. Refer to the DEPR key and its associated second functions for detailed steps.

Breakeven, Profit, and Percent Difference

Pasinaudokite BRKV key for breakeven analysis and other related functions for profit and percent difference calculations.

Statistiniai skaičiavimai

The EL-738XTB can perform 1-variable and 2-variable statistics. Enter data points using the DUOMENYS function (likely 2-oji F + ENT) and then use the statistical keys like Σx, Σx², n, x̄, σx, etc., to compute results.

Atminties funkcijos

• M+: Prideda rodomą reikšmę prie nepriklausomos atminties.
• M-: Atima rodomą reikšmę iš nepriklausomos atminties.
• RCL: Recalls the value from memory.
• STO: Stores the displayed value into a specific memory register.
• M-CLR: Clears the independent memory (likely 2-oji F + M-CLR).

Režimo nustatymai

Paspauskite REŽIMAS key to access different calculation modes (e.g., COMP for normal calculations, STAT for statistics). Use the arrow keys to navigate and ENT pasirinkti.

Priežiūra

Valymas

Wipe the calculator with a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the casing arba ekranas.

Sandėliavimas

Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, it is recommended to remove the battery to prevent leakage.

Trikčių šalinimas

• Ekranas tuščias arba blankus: Patikrinkite baterijos įdėjimą. Jei reikia, pakeiskite CR2032 bateriją.
• Error message (e.g., "ERROR"): This usually indicates an invalid operation or input. Press ON/C to clear the error and re-enter your calculation. Review the specific function's input requirements.
• Calculator not responding: Try turning the calculator OFF and then ON again. If the issue persists, remove the battery for a few minutes, then reinsert it.

Specifikacijos

Garantija ir palaikymas

For warranty information and technical support, please refer to the documentation included with your purchase or visit the official Sharp websvetainėje. Išsaugokite pirkimo įrodymą garantiniams reikalavimams.