Open your income and expenses Excel worksheet. Select an empty cell beneath the last item in your "income" column. Type "Total Income" in this cell, then press the "Enter" key.

A running total helps you see how values add up over time, making it easier to track trends. Using the SUM function with absolute and relative references is key to creating running totals in Excel.

Enter the amount of each expense in the column that corresponds to its category. To calculate the total amount you've spent on a category, add the amounts in that column by inserting a formula, if ...

For the beginning investor, one of the most important keys to learning about a business is understanding its financial statements. And of the three.