puts on grumpy old man hat
Yeah, back in my day you had to learn about significant digits because we still used slide rules and the calculators didn't have as many functions and we liked it!
removes grumpy old man hat
Oh, I'm aware. On the way to getting a bachelor's in Chemistry I was drilled on the importance of sigfigs as a way of preventing data contamination by artificial precision (e.g. trying to weigh 16.0000000000 lbs with a bathroom scale). It just seemed funnier this way...