page_title: Parallel (operator)
section_title: Implementation
hierarchical_section_title: Parallel (operator) / Implementation
caption_attribution_description: English: Picture of an HP-30b calculator, flashed with a wp34s V3 load, with overlay applied. courtesy of Morten Nygaard Åsnes (used with permission)
context_page_description: The parallel operator is a mathematical function which is used as a shorthand in electrical engineering, but is also used in kinetics, fluid mechanics and financial mathematics.
context_section_description: Suggested already by Kent E. Erickson as a subroutine in digital computers in 1959, the parallel operator is implemented as a keyboard operator on the Reverse Polish Notation (RPN) scientific calculators WP 34S since 2008 as well as on the WP 34C and WP 43S since 2015, allowing to solve even cascaded problems with few keystrokes like 270↵ Enter180∥120∥.
caption: WP 34S with parallel operator (∥) on the g+÷ key.
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