In episode 60 of Five Minutes with Gray Hair Dave, Dave reflects on the year 1972, highlighting the release of the first handheld scientific calculator by Hewlett-Packard, which cost $395 at the time. He humorously compares the cost to current technology prices and delves into the prices of gas, steak, ice cream, and more from that era. Dave shares insights sourced from AARP, encouraging listeners to take a light-hearted look at the past.