[trygvis]

Aaw, this would have been great if it didn't use `eval`, but just executed `+`, `-` etc directly.

[packetslave]

It doesn't use the built-in eval(). There's a local function in the code named "eval" that executes the operation -- not the best choice of names, really.

[trygvis]

Oops, guess I read it a bit too fast.