## Abandoning Ship on Wolfram Alpha?

I am really getting fed up tired of having to explain Wolfram Alpha graphs to students. For some reason, the default in Wolfram Alpha is to graph everything with imaginary numbers. This results in bizarre-looking graphs and makes it near-impossible to use Wolfram Alpha as a teaching tool for undergraduate mathematics, a real shame. Now that Google has entered the online graphing fray, I have a wary hope that the programmers at Wolfram Alpha might finally (after two years of waiting) fix the problem. Here are a few examples. I’ll show you the graph in Wolfram Alpha, on a...

Read More