Sets as Boxes 1.0

Sets as Boxes is simple tool for visualizing finite sets as cardboard boxes.

Main features:

- Keyboard input of standard mathematical notation using { }, and digits 0-9.

- Pre-packaged common example sets (the first few natural numbers, ordinals, and some example Kuratowski pairs).

- Validation of your input and explanation of any typographical errors you made.

- 3D visualization of your input as boxes containing other boxes and balls and/or numbers.