Examine exponential function - algorithm, MATLAB in Engineering

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Examine exponential function:

The algorithm for the main script program is shown below:

Call a function eoption to show the menu and return the user's choice.
Loop until the user selects to exit the program. If the user has not selected to exit, the action of the loop, based on the user's preference, either is to:

- Call the function explaine to print a description of e

- Call the function limite which will prompt the user for n and compute an approximate value for e

- Prompt the user for x and call the function expfn which will print both an approximate value for e^x and the value of the built-in exp(x). (Note: Any value for x is satisfactory; therefore the program does not require to error-check this value.)

Call the function eoption to show the menu and return the user's choice again.

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