Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The History of Currency Currency has been around for a long time. Here’s a quick history lesson. A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money. Tax Deductions You Won't Believe Here are some examples of deductions from the IRS that were permitted and some that were, uh, too creative.