|
|
|||
|
Teaching "It's good to try to visualize the 4th dimension every once in a while. It's like doing push-ups for math!" -Rachel Pries |
|
||
|
|
|||
|
Teaching "It's good to try to visualize the 4th dimension every once in a while. It's like doing push-ups for math!" -Rachel Pries |
|
||
