This is a better version of the application of the same name referred to in the lessons. This time, we use the DateTimePicker control to help the user specify when the cleaning items are dropped and when they are expected.

This is an example of a spreadsheet that helps to process car repair orders.

In this workbook, we simulate a car rental business, using a list of cars in a separate worksheet.

This small example shows how to perform a simple operation of calculating the amount of tax retrieved from a sale item and the net price sold.

This example simulates a small business that prints or publishes CDs for other small companies or individuals. It calculates the unit price of a CD based on the quantity ordered

This is an example of calculating the interest accrued on a loan. The calculations are performed depending on an interest rate and the type of frequency (monthly, annually, etc).