Pokemon can get burned?PUBLIC SERVICE ANNOUNCEMENT:
Just bringing this to everyone's attention, since some of the new/learning refs aren't aware of this.
Burn is half-broken in the calc. As far as I know, it works perfectly fine on Firefox, and the calc will process the attack halving automatically for you. It doesn't work on Chrome. I don't know about other browsers but you shouldn't be using those anyway. And apparently you shouldn't be using Chrome either.
This in turn means that abilities such as Guts that are activated by the Burn status will not be calculated either. If you insist on being a pretentious Google fanboy and using their shiny Chrome-plated gargbage browser instead of a good one *cough*Firefox*cough*, this means you will have to calculate the attack drop/raise manually by changing the attack modifier in the calc.