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: "You should be sponsored by Allen"
Me: "If you can't shoot good, at least look good walking to the firing line."
Big Sister: "Can you not afford a Pelican? Then buy an Allen gun bag."