Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer. The Ivory Tower Changes Wall Street Thanks to the work of three economists, we have a better understanding of what determines an asset’s price. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.