jweinst1
12/11/2017 - 10:27 PM

example for evaluating a wind expression

example for evaluating a wind expression

eval example
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+ ( 2      -(   3     4    )    )
|   |      |    |     |
|   |      |    |     |
|   |      |    |     |
[+  2  @]  =>[- 3     4 ] back back