Java Graphical Interface: Floating-point Calculator Assignment: Design a floating-point calculator. Must have a graphical interface and the following features: 1. Numeric buttons 0 9 and a decimal point

2. The ability to multiply, divide, subtract and add (these must actually perform work)

3. An equals button to perform the calculation

4. A display that outputs the values entered and the result

5. Allows for memory save (M+ button), memory recall (MR button) and memory clear (MC button). Extra Credit: Create a RPN calculator: +5% Add ability to display the equation entered: +5% Add the ability to calculate simple interest using user input for the interest rate and duration. +5%.

Example of what the graphical interface should look like:

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