5 Smart Investing Principles The slideshow presentation that you would like to view is too large for your current screen resolution. Click here to view to view the slideshow at full resolution. Launch Presentation » Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt.