Description:
HP-42S calculator simulator
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Type: Cask
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Latest Version: 3.3.12@0
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Tracked Since: Dec 17, 2025
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Links:
Homepage |
formulae.brew.sh
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Category: Productivity
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Tags:
calculator
scientific
rpn
simulation
mathematics
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Install:
brew install --cask free42-binary
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About:
Free42 is a complete re-implementation of the highly programmable HP-42S RPN scientific calculator. It provides a highly accurate simulation of the original hardware, including its high-resolution display and powerful instruction set. The binary version offers native performance and seamless integration with modern macOS systems.
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Key Features:
- 100% compatible with HP-42S software
- High-resolution display support
- Support for HP-41C-style functions
- Binary execution for native performance
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Use Cases:
- Scientific and engineering calculations
- Legacy calculator software development
- Educational tool for RPN programming
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Alternatives:
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free42-source
– Source distribution requiring compilation, while binary offers out-of-the-box execution
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hp48-emulators
– Emulates more powerful HP-48 series with different architecture and feature set
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| Detected |
Version |
Rev |
Change |
Commit |
| May 4, 2026 10:12pm |
3.3.12 |
0 |
VERSION_BUMP |
40f9b145 |
| Jan 13, 2026 7:04pm |
3.3.11 |
0 |
VERSION_BUMP |
70c3f7c4 |
| Sep 15, 2025 11:39am |
3.3.8 |
0 |
VERSION_BUMP |
b5553b5c |
| Mar 30, 2024 9:33pm |
3.1.7 |
0 |
VERSION_BUMP |
fc8ec595 |
| Jan 17, 2024 8:35am |
3.1.3 |
0 |
VERSION_BUMP |
6a28c794 |
| Dec 1, 2023 11:21am |
3.1.2 |
0 |
VERSION_BUMP |
8630863b |
| Nov 29, 2023 11:09am |
3.1.1 |
0 |
VERSION_BUMP |
5f8f9db1 |
| Nov 15, 2023 2:02pm |
3.1 |
0 |
VERSION_BUMP |
44aaff9f |
| Apr 15, 2023 6:39am |
3.0.19a |
0 |
VERSION_BUMP |
b0951fc8 |
| Apr 9, 2023 3:13pm |
3.0.19 |
0 |
VERSION_BUMP |
54a18a97 |
| Mar 20, 2023 11:54am |
3.0.18 |
0 |
VERSION_BUMP |
254cf601 |
| Dec 14, 2022 9:55pm |
3.0.17 |
0 |
VERSION_BUMP |
f82dc948 |
| Oct 30, 2022 6:19am |
3.0.16 |
0 |
VERSION_BUMP |
7c3fd167 |
| Oct 4, 2022 1:02am |
3.0.15 |
0 |
VERSION_BUMP |
19c4fb17 |
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