It means price look-up code.
Price Look-Up codes, commonly called PLU codes, PLU numbers or PLUs, are identification numbers affixed to produce and other products in supermarkets to make check-out and inventory control easier, faster, and more accurate. The code is normally a four or five-digit number and works like an abbreviated bar code but manually entered.
8
the prefix plu means more
"plu". Example: "il a plu ce matin" (it rained this morning)
he goes to PLU.
plum or plump
The cast of Ne Plu Pikniko - 1989 includes: Joan Bechtel as The substitute
Though it can stand for different things, PLU typically stands for "price look up" in the retail sense.
It means it's a positive. We use this expression in casual conversation to mean there are so many additional factors, items etc. that it's too inconvenient or tiring to list, repeat, etc. Thus only the key point(s) are mentioned.
lid
first of all, what is a plu? but the answer is (-8)+f+1/x sqared by the way, what grade are you in?