Parsing/RPN calculator algorithm: Difference between revisions
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=={{header|Factor}}== |
=={{header|Factor}}== |
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Factor <i>is</i> a stack-based evaluator for an expression in reverse Polish notation. In the listener: |
Factor <i>is</i> a stack-based evaluator for an expression in reverse Polish notation. In the listener: |
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<lang factor> |
<lang factor>IN: scratchpad 3 4 2 * 1 5 - 2 3 ^ ^ / + |
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IN: scratchpad 3 4 2 * 1 5 - 2 3 ^ ^ / + |
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--- Data stack: |
--- Data stack: |
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To show intermediate steps: |
To show intermediate steps: |
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<lang factor> |
<lang factor>{ 3 4 2 * 1 5 - 2 3 ^ ^ / + } [ 1quotation ] map |
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| ⚫ | |||
{ 3 4 2 * 1 5 - 2 3 ^ ^ / + } [ 1quotation ] map |
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| ⚫ | |||
</lang> |
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{{out}} |
{{out}} |
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<pre> |
<pre> |
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