Just Ratios is a financial ratio calculator. It calculates and explains the following ratios:

-gross margin
-operating margin
-profit margin
-return on assets
-return on equity
-return on capital employed
-current ratio
-quick ratio
-cash ratio
-debt ratio
-debt to equity ratio
-interest coverage ratio
-receivables turnover ratio
-days sales outstanding
-inventory turnover ratio
-days inventory outstanding
-p/e ratio
-p/e to growth ratio
-dividend yield
-price to book value ratio

You can also compare one company's financial metrics with another's. For your convenience, the financial info of 10 prominent public companies for fiscal year 2011 have been pre-loaded into the app. You can also input information on your own and save it for future use. Just Ratios is designed with usability and aesthetics in mind, making for an intuitive experience that is pleasing to the eyes.

This app is ideal for new MBAs or undergraduate business students, as well as casual investors. It can also be useful for small business owners who want to benchmark their companies against competitors.

Images provided by various users at: http://www.sxc.hu/
Quotes from:
http://www.goodfinancialcents.com/
http://www.wisebread.com/
http://thoughts.forbes.com/