Financial Calculators - a useful tool for both individuals and businesses. If you are looking for an app that can help you calculate various financial ratios, this one is definitely for you. This calculator app can help you calculate a variety of things, such as the profit margin, return on assets, return on equity, return on capital, and more. You can even calculate the market price and the price that you will need to pay to get the product you want. If you are interested in calculating your own profit margin, you can also use this calculator app to help you do that. You will not need to do anything else but enter the numbers that you have and then click on the calculate button.