The Weirdness of Zero

Before zero became widely accepted, mathematicians had no easy way to represent “nothing” as a number. Once zero entered the picture, we could build positional number systems like the one we use today—and suddenly calculations became much more powerful.

Even stranger: zero is the only number that is neither positive nor negative.

And dividing by zero? That doesn't give you zero or infinity—it simply isn't defined.

Sometimes, the most interesting number is the one that represents nothing. 🧮