Sharp EL-738XTB Financial Calculator User Manual

مقدمه

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.

محصول تمام شده استview

تصویر: جلو 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.

راه اندازی

نصب باتری

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

1. مطمئن شوید که ماشین حساب خاموش است.
2. پوشش محفظه باتری را در پشت ماشین حساب پیدا کنید.
3. Use a small screwdriver to remove the screw securing the cover, then slide the cover off.
4. باتری قدیمی (در صورت وجود) را خارج کرده و یک باتری جدید CR2032 را با سمت مثبت (+) رو به بالا قرار دهید.
5. درپوش محفظه باتری را تعویض کرده و آن را با پیچ محکم کنید.

روشن شدن اولیه

را فشار دهید 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.

دستورالعمل های عملیاتی

عملیات پایه

• حسابی: اعداد را وارد کنید و از +, -, ×, ÷ کلیدها مطبوعات = برای نتیجه.
• ورود را پاک کنید/همه را پاک کنید: را فشار دهید 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 دوم اف 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 (تعداد دوره‌ها)، I/Y (interest rate per year), PV (ارزش فعلی)، PMT (پرداخت)، و FV (future value).

1. Setting P/Y (Payments per Year): را فشار دهید دوم اف سپس P/Y. Enter the desired number of payments per year (e.g., 12 for monthly) and press گوش و حلق و بینی.
2. Inputting Values: Enter a numerical value, then press the corresponding TVM key (N, I/Y, PV, PMT، یا 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 و IRR functions (accessed via دوم اف).

استهلاک

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

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

محاسبات آماری

The EL-738XTB can perform 1-variable and 2-variable statistics. Enter data points using the داده ها function (likely دوم اف + گوش و حلق و بینی) and then use the statistical keys like Σx, Σx², n, x̄, σx, etc., to compute results.

توابع حافظه

• M+: مقدار نمایش داده شده را به حافظه مستقل اضافه می‌کند.
• م-: مقدار نمایش داده شده را از حافظه مستقل کم می‌کند.
• آر سی ال: مقدار را از حافظه فراخوانی می‌کند.
• STO: Stores the displayed value into a specific memory register.
• M-CLR: Clears the independent memory (likely دوم اف + M-CLR).

تنظیمات حالت

را فشار دهید حالت key to access different calculation modes (e.g., COMP for normal calculations, STAT for statistics). Use the arrow keys to navigate and گوش و حلق و بینی را انتخاب کنید.

تعمیر و نگهداری

تمیز کردن

Wipe the calculator with a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the casinجی یا نمایشگر.

ذخیره سازی

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.

عیب یابی

• صفحه نمایش خالی یا کم نور است: نصب باتری را بررسی کنید. در صورت لزوم باتری CR2032 را تعویض کنید.
• 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.

مشخصات

گارانتی و پشتیبانی

For warranty information and technical support, please refer to the documentation included with your purchase or visit the official Sharp webسایت. فاکتور خرید خود را برای موارد گارانتی نگه دارید.