How to Use the Four Function Calculator
Step 1: Enter Numbers
Begin by clicking on the number buttons to input the first number of your calculation. The numbers will appear in the display at the top of the calculator.
Step 2: Choose an Operation
After entering the first number, select the operation you wish to perform by clicking on the corresponding button:
‘+’ for addition
‘-‘ for subtraction
‘×’ for multiplication
‘/’ for division
Step 3: Enter the Second Number
Input the second number of your calculation using the number buttons.
Step 4: Calculate the Result
Click the ‘=’ button to perform the calculation. The result will be displayed in the “Result” section below the calculator, along with an explanation of the calculation.
Step 5: Use Additional Functions
This calculator also includes some extra functions:
‘√’ button calculates the square root of the displayed number
‘%’ button converts the displayed number to a percentage
‘C’ button clears the display and previous calculations
‘⌫’ button deletes the last entered character
Step 6: Interpret the Result
After performing a calculation, read the result displayed in the “Result” section. The “Explanation” section provides a brief description of how the result was obtained, helping you understand the calculation process.
Step 7: Perform Complex Calculations
For more complex calculations involving multiple operations, continue entering numbers and operations in sequence. The calculator will follow the standard order of operations (PEMDAS) when calculating the final result.
Step 8: Clear and Start Over
If you make a mistake or want to start a new calculation, use the ‘C’ button to clear the display and start fresh.
By following these steps, you can effectively use the four function calculator for a wide range of basic mathematical operations, making it an invaluable tool for students, professionals, and anyone needing quick and accurate calculations.