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That didn't work! This is because APL dispenses with traditional mathematics' confusing and inconsistent precedence order<ref>[[Ken Iverson|K.E. Iverson]], Appendix A: [https://www.jsoftware.com/papers/EvalOrder.htm Conventions Governing Order of Evaluation], Elementary Functions: An Algorithmic Treatment). Science Research Associates, 1966</ref>, replacing it with a simple right-to-left rule: | That didn't work! This is because APL dispenses with traditional mathematics' confusing and inconsistent [[precedence]] order<ref>[[Ken Iverson|K.E. Iverson]], Appendix A: [https://www.jsoftware.com/papers/EvalOrder.htm Conventions Governing Order of Evaluation], Elementary Functions: An Algorithmic Treatment). Science Research Associates, 1966</ref>, replacing it with a simple right-to-left rule: | ||
<source lang=apl> | <source lang=apl> | ||
(⍳5)!4 | (⍳5)!4 | ||