Sharp EL-738XTB Financial Calculator User Manual

Zavedení

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.

Konec produktuview

Obrázek: Přední strana 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.

Nastavení

Instalace baterie

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

1. Ujistěte se, že je kalkulačka VYPNUTÁ.
2. Najděte kryt přihrádky na baterie na zadní straně kalkulačky.
3. Use a small screwdriver to remove the screw securing the cover, then slide the cover off.
4. Vyjměte starou baterii (pokud je použita) a vložte novou baterii CR2032 kladným pólem (+) nahoru.
5. Nasaďte kryt prostoru pro baterie a zajistěte jej šroubem.

Počáteční zapnutí

Stiskněte tlačítko 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.

Návod k obsluze

Základní operace

• Aritmetický: Zadejte čísla a použijte +, -, ×, ÷ klíče. lis = pro výsledek.
• Vymazat vstup/Vše vymazat: Stiskněte ON/C Jedním stisknutím vymažete aktuální položku. Dvojím stisknutím vymažete všechny výpočty a paměť (kromě nezávislé paměti).
• Second Function: Many keys have a second function, indicated above the key. Press 2. 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 (počet období), I/Y (interest rate per year), PV (současná hodnota), PMT (platba) a FV (future value).

1. Setting P/Y (Payments per Year): Stiskněte 2. F pak P/Y. Enter the desired number of payments per year (e.g., 12 for monthly) and press ORL.
2. Inputting Values: Enter a numerical value, then press the corresponding TVM key (N, I/Y, PV, PMTnebo 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 KOMP (Compute) keys in conjunction with the NPV a IRR functions (accessed via 2. F).

Amortizace

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

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

Statistické výpočty

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

Paměťové funkce

• M+: Přičte zobrazenou hodnotu do nezávislé paměti.
• M-: Odečte zobrazenou hodnotu od nezávislé paměti.
• RCL: Vyvolá hodnotu z paměti.
• STO: Stores the displayed value into a specific memory register.
• M-CLR: Clears the independent memory (likely 2. F + M-CLR).

Nastavení režimu

Stiskněte tlačítko MODE key to access different calculation modes (e.g., COMP for normal calculations, STAT for statistics). Use the arrow keys to navigate and ORL vybrat.

Údržba

Čištění

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

Skladování

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.

Odstraňování problémů

• Displej je prázdný nebo tmavý: Zkontrolujte instalaci baterií. V případě potřeby vyměňte baterii CR2032.
• 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.

Specifikace

Záruka a podpora

For warranty information and technical support, please refer to the documentation included with your purchase or visit the official Sharp webUschovejte si doklad o koupi pro případ reklamace.