13 lines
393 B
Plaintext
13 lines
393 B
Plaintext
(de rpnCalculator (Str)
|
|
(let (^ ** Stack) # Define '^' from the built-in '**'
|
|
(prinl "Token Stack")
|
|
(for Token (str Str "*+-/\^")
|
|
(if (num? Token)
|
|
(push 'Stack @)
|
|
(set (cdr Stack)
|
|
((intern Token) (cadr Stack) (pop 'Stack)) ) )
|
|
(prin Token)
|
|
(space 6)
|
|
(println Stack) )
|
|
(println (car Stack)) ) )
|