That's great. By coincidence, my 8-year-old decided that the unknown value in the proto-equations she's studying must always be wriitten down as a smiley face. 'x' just doesn't do it for her.
- Henry Gee
Aw, that is cute, Henry. If I'd thought along those lines at that age (and grasped algebra), I bet I would have gone for more of a frowny face.
- Andrew C (✓)