Today, I was working on a problem where I struggled to recall formula for the famous Little’s law at 6am. My laziness made me open the above-mentioned article no later than 3 seconds in trying to recall it. But this time I visualized something I couldn’t before. Likely, the sleep-deprived state contributed to it.
The formula is in the name!
PS. I wondered what other notations are out there and found a 2016 article A Clue for Remembering Little’s Laws, which presents a mnemonic for remembering 3 different variations of the law:
Now the is complete: