# Some math puns

#### masters

##### Active member
A math professor in an unheated room is cold and calculating.

Mathematics teachers call retirement 'the aftermath'.

Two mathematicians arguing about even numbers were at odds.

The math professor went crazy with the blackboard. He did a number on it.

Old math professors never die, they just lose their functions.

I'm bad at math, so the equation 2n+2n is 4n to me.

The mathematician worked at home because he only functioned in his domain.

What do organic mathematicians throw into their fireplaces? Natural Logs.

#### soroban

##### Well-known member

Why was the identity $$\sin2r \,=\,2\sin r$$ refused a loan?

He needed a $$\cos r.$$