In order to create a calculator that can accurately price an option, including market volatility and changing market prices for financial instruments, you'll need to download an Excel add-on.

It's not easy to create financial forecasts. When you know how to use helpful tools, like those in Excel, you can make the process more meaningful to your business. — Getty Images/ nortonrsx ...

How to Make Income Statements Using Excel. An income statement is typically prepared at the end of the year or the beginning of a new year when all financial information has been wrapped up and ...