Empire ET-1200V Desk Calculator Operation Manual
- June 13, 2024
- Empire
Table of Contents
Empire ET-1200V Desk Calculator
DESCRIPTION
In the world of numbers, accuracy and efficiency are paramount. The Empire ET- 1200V Desk Calculator is your go-to tool, offering a user-friendly interface and a range of functions for both students and professionals. With its ergonomic design, dual power source, and commitment to making calculations easier, this calculator is your reliable partner in conquering complex math problems and financial tasks. Say hello to precision and convenience with the Empire ET-1200V Desk Calculator.
Empire ET-1200V Desk Calculator is your trusted office companion, whether you’re a student tackling complex math problems or a professional dealing with financial calculations. With its ergonomic design, dual power source, and a range of functions, it’s designed to make your work easier and more efficient. Say goodbye to calculation errors and embrace precision with this reliable calculator.
Product Angle
The “30° angle” referred to in the description of the Empire ET-1200V Desk Calculator is related to the inclination or tilt of the calculator’s display. This ergonomic design feature sets the display at a 30-degree angle, which can be more comfortable for the user when viewing and entering calculations.
SPECIFICATIONS
- Brand: EMPIRE TRADING & COMMERCE
- Calculator Type: Basic
- Power Source: Dual-Powered (Battery and Solar)
- Screen Size: 2 Inches
- Number of Batteries: 1 AA battery required (included)
- Ergonomic Design: The calculator features a 30° eye-angled display for easy visualization of calculations.
- Large Keys: The large and responsive keys make typing comfortable and efficient, reducing the risk of input errors.
- Light and Portable: Weighing just 120g, it is a lightweight and portable device suitable for students and professionals.
- Rubber Feet: The four non-slip rubber feet provide stability when using the calculator on various surfaces.
- Easy to Use: The large calculator keyboard buttons are designed for quick and hassle-free calculations, making it ideal for office desks.
- Product Dimensions: 7.28 x 5.71 x 1.57 inches
- Item Weight: 8.9 ounces
- Item Model Number: ET-1200V
- Batteries: 1 AA battery required (included)
WHAT’S IN THE BOX
- Empire ET-1200V Desk Calculator
- User Manual/Instructions
- Batteries
CALCULATOR FUNCTIONS
- MEMORY CLEAN (MC) : This function clears any stored number from the calculator’s memory.
- MARK UP / MARKDOWN (MU) : This function allows users to calculate the mark-up or mark-down on a product’s price. This is useful for determining profit margins or discounts.
- MEMORY RECALL (MR) : This recalls or retrieves the number that’s currently stored in memory.
- BACKSPACE (- >): This function removes the last digit or character that was entered. It’s similar to a backspace key on a keyboard.
- CLEAR ENTRY (CE) : This function clears the last entry or number you inputted but keeps any previous calculations or operations.
- ALL CLEAR (AC) : This function clears everything – both the current entry and any previous calculations.
- EXCHANGE SEQUENCE (EX) : This function allows you to switch or exchange the order of numbers. For example, if you entered “4=3”, pressing the “EX” button would change it to “3=4”.
- POWER OFF (OFF) : This turns the calculator off.
- MEMORY MINUS (M-) : This function subtracts the currently displayed number from the number stored in memory.
- GRAND TOTAL (GT) : This shows the cumulative or grand total of calculations made. It’s particularly useful in adding up a series of numbers.
- SQUARE ROOT (√) : This calculates the square root of the currently displayed number.
- MEMORY PLUS (M+) : This function adds the currently displayed number to whatever number is stored in memory.
FEATURES
- Ergonomic Design: The calculator features an ergonomic 30° eye-angled display, making it easier to visualize and perform calculations compared to horizontal displays. This design ensures comfort during extended use.
- Dual Power Source: The Empire ET-1200V is powered by both battery and solar energy. This dual power source ensures uninterrupted functionality, whether you’re at home, in the office, or on the go.
- Large Keys: The calculator is equipped with large, responsive buttons that offer a satisfying sensation when typing. The spacious button size minimizes the chances of pressing the wrong number, ensuring accuracy in your calculations.
- Light and Portable: Weighing just 120g, this calculator is exceptionally lightweight and easy to carry. It’s an ideal choice for students and professionals who need a portable yet reliable calculation tool.
- Rubber Feet: The four non-slip rubber feet on the calculator provide stability when placed on various surfaces. These feet prevent the calculator from sliding during use, ensuring a convenient and secure experience.
- Easy to Use: The Empire ET-1200V Desk Calculator features a user-friendly design, with large keyboard buttons that are not prone to getting stuck. This design allows for quick and error-free calculations, making it suitable for office desks.
PRECAUTIONS
- Battery Usage
- Ensure you use the correct type and size of battery as specified in the user manual.
- When the battery power is low, replace it promptly to avoid any interruption during calculations.
- If the calculator is not in use for an extended period, remove the battery to prevent potential leakage and damage.
- Keep the calculator away from extreme temperatures, both hot and cold, as well as direct sunlight, which can affect its performance.
- Clean the calculator with a soft, dry cloth when needed. Avoid using abrasive or liquid cleaners that can damage the display and buttons.
- When not in use, store the calculator in a clean and dry place. Protect it from dust, moisture, and any potential physical damage.
- Press the buttons gently. Excessive force is not required and can lead to button malfunction.
- Handle the calculator with care and avoid dropping it, as this may cause damage to the internal components or the display.
- Keep the calculator away from water and liquids. Spills can cause irreversible damage to the electronics.
- Ensure your hands are clean and dry when using the calculator to prevent transferring dirt, oils, or moisture to the device.
- Keep the calculator out of reach of children and pets, as they may accidentally damage it or remove buttons.
- Do not attempt to disassemble or repair the calculator yourself. If you encounter issues, refer to the user manual or seek professional assistance.
- Consider using a protective cover or case to shield the calculator’s display from scratches or damage.
- If the calculator has a backlight, use it sparingly to conserve battery power. Extended use of the backlight can drain the battery more quickly.
- Be cautious when using memory functions to avoid unintentionally deleting stored values.
- If the calculator has firmware updates available, follow the manufacturer’s instructions for updating to the latest version.
Basic Operations & Calculations
- Addition and Minus :
- 123 + 456 – 789 = 210
- Multiplication :
- 45.67 x 7.89 = 359.784
- Division :
- -3 ÷ 4 = -0.75
- Power Calculation :
- 2^3 = 8
- 2^4 = 16
- Calculations with a Constant :
- 12 x 2 = 24
- 12 x 5 = 60
- 3 ÷ 12 = 0.25
- 6 ÷ 12 = 0.5
- Square Root :
- √144 = 12
- Chain Calculation :
- (-25 x 40 + 100) ÷ 9 x 1/2 = -50
- Percentage :
- 150 x 20% = 30
- 150 x (1 + 20%) = 180
- 150 x (1 – 20%) = 120
- Memory Calculation :
- (12 x 4) – (20 ÷ 2) = 38
Function Buttons Explained
- Off : Turn the Calculator Off.
- AC : Clear all Memory and Return to Zero.
- CE : Press once to clear an error from the previous step.
- - >: Removes the last digit from the current number.
- +/- : Changes the sign of the number. Press once to make it negative, and press again to revert to positive.
- EX : Changes the order of numbers. Example: Inputting 4 then 3 and pressing EX swaps them to 3 and 4.
- GT : Grand Total. Adds up multiple values, like in the example provided.
- MU : Markup. Calculates profit based on cost and a desired profit margin percentage.
- M+ : Remembers the last calculation as a positive number.
- M- : Remembers the last calculation as a negative number.
- MR : Combines values stored using M+ and M-. The example provided shows the calculation of the difference between two stored numbers.
- MC : This button clears the memory.
WARRANTY
It comes with a year’s warranty.
FREQUENTLY ASKED QUESTIONS
How do I change the battery in the Empire ET-1200V calculator?
To change the battery, open the battery compartment on the back of the calculator, remove the old battery, and replace it with a new AA battery following the polarity markings.
How do I clear the memory of the calculator?
To clear the calculator's memory, press the 'AC' (All Clear) button. This will reset the calculator to zero.
Can I use the calculator on a tilted surface due to its display angle?
Yes, the calculator is designed to be used on various surfaces, including tilted ones. The rubber feet provide stability to prevent slipping.
What is the purpose of the dual power source (battery and solar)?
The dual power source ensures uninterrupted use. The solar panel allows the calculator to operate using ambient light, and the battery serves as a backup power source.
How do I use the percentage function on the calculator?
To calculate percentages, enter the number, press the percentage key '%,' and then enter the percentage value. The calculator will display the result.
What is the purpose of the 30-degree angle display?
The 30-degree angle display is designed for ergonomic comfort, reducing strain on the neck and eyes during extended use. It provides a natural viewing angle.
Can I use the calculator for complex calculations and functions?
Yes, the calculator is suitable for a wide range of calculations, from basic arithmetic to more advanced functions, making it versatile for various tasks.
How do I perform basic arithmetic calculations on the calculator?
To perform addition, subtraction, multiplication, or division, enter the numbers and use the respective arithmetic operators (+, -, *, /) to obtain results.
Can I use this calculator for financial calculations, such as interest or loan payments?
While it's a basic calculator, you can perform financial calculations by entering the relevant values and applying the appropriate formula. However, specialized financial calculators are better suited for complex financial tasks.
What is the maximum number of digits this calculator can display?
The display typically accommodates 12 digits, which is adequate for most common calculations.
How do I clear a wrong entry without starting over?
You can use the 'CE' (Clear Entry) button to remove the last digit or entry without clearing the entire calculation.
Can I use this calculator for scientific calculations, such as trigonometry or logarithms?
The Empire ET-1200V is a basic calculator and does not have functions for scientific or advanced mathematical calculations. It's primarily for general arithmetic.
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>