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Attending a math lecture with your parents is awkward if there's a proof.

If you don't like forms you may prefer:

Old MacDonald had a farm

2.71828183..., sqrt(-1), 2.71828183..., sqrt(-1), 0.

Okay -- GET OUT OF MY HEAD!!!

Seriously, I had an Old McDonald joke set for tomorrow. A colleague has been doing imaginary numbers with his class, so when I walk in for my class afterward, the board is filled with i i i i ...

Heh sorry :P

You can still post yours though!

What's better? If your girlfriend is imaginary or complex?

It is complex only if she is partially real and has imaginary parts.

I think you're better off with an imaginary girlfriend than with one with imaginary parts.

Mathematician one: "I like my girls like I like my maths, elegant and pure."

Mathematician two: "Certainly not irrational and complex!"

â€˜Mathematicianâ€™ three: "That's weird, I like it easy and from college."

I got this wrong, and the reason for that was the use of the weird division sign.

The way it was typeset made it parse the formula as this for me:

\frac{6}{3(1+2)},

which is the "wrong" answer.