A couple days ago, we got a bug report that left us shaking our heads in collective confusion. The trouble? This graph: Notice that f(π) is returning “undefined.” Trace doesn’t fare any better. But tan(π) = 0, so √tan(π) should also equal 0. What gives? Well, it turns out that the problem lies deep in the heart… Continue reading A bug in our PI?
Occasionally, we see a graph that just blows us away with its beauty and ingenuity. Like this one: [click on the image to play around with the graph yourself] We reached out, and got the following response from its author, Amy: My precalculus class had to make a graphed picture using the at least one of… Continue reading student highlight: Amy, high school senior