The History of Currency Full Size Version Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? Historical Inflation This calculator shows how inflation over the years has impacted purchasing power.