I took the most horrendous Intro to Statistics class last semester.
Before I figured out how to print out books in PDF format, I would simply look at my then digital watch and make calibr designations out of the numerals.
556, 545, etc.
NRA Life Member
Big Sister: "Everyone in America is fine with the .30-30, except Mack. He has to shoot that .35 because that extra point zero fives inches will matter on Bigfoot."