Algol Y is a special kind of computer language that helps people like teachers and researchers build different programs. It's like a big set of rules that computers can follow to do specific tasks in a certain way.
Think of it like playing with blocks. You have a bunch of different blocks, each with its own set of rules for how to stack them together. When you use Algol Y, you can build programs by putting these blocks together in a certain order, based on the rules they have.
This helps people make all kinds of different programs to do different things, like games, simulations, and calculations. The Algol Y language is very precise in its rules, which means that it's easier for people to understand and use.