One time my math professor asked everyone in class to write a complex number on their forehead

You could probably imagine the expressions on our faces.

This joke may contain profanity. 🤔

There is no I in Complex Numbers

I guess that's why I failed this class.

Complex numbers are complicated.

Please tell me I’m just imagining things.

Complex numbers are all fun and games....

....until someone loses an i....

Perplex Numbers

I was talking to my physics professor the other day, and some theoretical work he did with tachyons came up. A tachyon travels faster than light, and in order to use some of the math from special relativity, one had to define what he called "perplex numbers"--numbers with negative absolute value. He...

Five numbers walk into a bar...

... A Natural number (6), an Integer (-2), a Rational (1/2), a Real (e) and a Complex number (1-i) walk into a bar.

The first four clutch their heads in pain, but 1-i keeps going.

When -2 asks him how he walked through it, he shrugs and replies

"I'm imaginary".

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