> I am familiar with Bret Victor's work, but I don't know which interaction you have in mind. Just the idea that since you’re working on a computer, you should

> I am familiar with Bret Victor's work, but I don't know which interaction you have in mind. Just the idea that since you’re working on a computer, you should be able to take advantage of it. So once the numbers are in there, you should be able to tweak them around without having to re-write everything. What if this value was higher? What if it was lower? How would that affect the results? Let the calculation be explorable.