This is a simple Android calculator app developed in Java, designed to perform basic arithmetic operations and calculations. Below, you will find a concise description of the app's features and how to use it.
- Addition, subtraction, multiplication, and division can be performed using the respective buttons.
- Percentage calculations are also supported for quick percentage conversion.
- The app ensures that only valid and meaningful input is accepted, preventing improper expressions or division by zero.
- The app allows you to input decimal points and double zeros for more precise calculations.
- If an invalid calculation is attempted or an error occurs during the calculation, the app will display an "Error" message.
- You can correct mistakes by using the backspace (⌫) button to delete the last entered digit or operator.
- The "C" button can be used to clear the input field, allowing you to start a new calculation.
- The app keeps track of the last calculated result, enabling you to perform subsequent calculations without re-entering the previous result.
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Enter numerical values by tapping the digit buttons (0-9).
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Perform basic arithmetic operations by tapping the corresponding operator buttons (+, -, *, /).
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Use the percentage button (%) to convert a number to its percentage.
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Input decimal points using the dot (.) button.
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For double zeros, press the "00" button.
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To clear the input field, press the "C" button.
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To delete the last entered character, use the backspace (⌫) button.
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Once you've entered a valid expression, press the "=" button to calculate the result.
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The last calculated result is displayed at the top of the app for reference.
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If you attempt an invalid calculation, such as dividing by zero, the app will display an "Error" message.
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If any other unexpected error occurs during calculation, the app will also display an "Error" message.
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You can start a new calculation by pressing the "C" button.
Enjoy using this simple calculator app for your everyday arithmetic needs!
