BITD - Back in The Day! Easy to use inflation calculator.Remember your grandfather's stories of penny candy and nickel matinees? How much would that be in today's dollars?What is $100.00 today worth in the 1920s?You can find out the answer to these questions, and many more with Back In The Day. This is an easy to use Inflation Calculator. Enter the amount to convert and years to compare. Back In The Day (BITD)will display the value.Also check out the About screen for a few words of wisdom from the old codger!