plus42-binary ☆
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Description:
RPN calculator based on HP-42S
Type: Cask  |  Latest Version: 1.3.13@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Productivity
Tags: calculator rpn scientific hp42s emulator
Install: brew install --cask plus42-binary
About:
Plus42 Binary is a reimplementation of the classic HP-42S RPN scientific calculator. It faithfully recreates the original's functionality while adding modern enhancements like hexadecimal support and a larger display. This version provides a powerful, programmable tool for scientific and engineering calculations.
Key Features:
  • Complete HP-42S functionality and programmability
  • Enhanced features including hexadecimal mode and larger display
  • Available for multiple platforms (desktop and mobile)
  • Supports original HP-42S program libraries
Use Cases:
  • Scientific and engineering calculations
  • Educational tool for learning RPN logic
  • Running legacy HP-42S programs
Alternatives:
  • Free42 – Another HP-42S emulator; Plus42 offers enhanced features like hex mode and different display options
  • NumWorks – Modern hardware calculator with RPN mode, but not a direct HP-42S clone
Version History
Detected Version Rev Change Commit
Jan 13, 2026 7:35pm 1.3.13 0 VERSION_BUMP b8a088e8
Sep 15, 2025 12:47pm 1.3.10 0 VERSION_BUMP 511eaa2e
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