Winnipeg has a lot of large-scale outdoor events coming up. Folk Fest for one, and then Prairie Jam at Investors Group Field.

But when nature calls… you’re usually stuck with the problem of trying to find a clean public toilet. Here’s a video that shows how to ensure you get the best spot… using math!!!

Dr Ria Symonds breaks down the problem, starting small and extending the theory to hundreds of toilets. So the next time you’re presented with an array of public toilets, make sure to put in this logic before committing to one.