Your four line prose prompt for this fine Friday: calculations.
AFC Word Count: 23,866
AFC Word Target: 22,000
"... and so, with my innovative calculations, the world food crisis will be solved," Doctor Munroe finished to a standing ovation.
"Ah, excuse me," my colleague called out as he stood up beside me and waited for the commotion to subside. "Sorry to be a bother, but it seems to me that in line two hundred and twelve you forgot to carry the three - thereby making the remaining eight hundred and fifty-two lines of calculations invalid."
"Bobby," I sighed as he sat back down amidst the stunned silence of the other conference attendees, "this is why nobody likes you."