A fetish magazine is a magazine devoted to sexual fetishism.
The content is generally aimed at being erotic rather than pornographic. Much of the content in fetish magazines is baffling to people who do not share the particular fetishes discussed and depicted.
... 2a is zero and it is impossible to divide by it.)
The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should be understood as "either of ...