TL;DR
HP is re-releasing its iconic HP-16C calculator, retaining its classic design while adding significant performance and programming upgrades. The new model is aimed at engineers, programmers, and collectors, offering faster operation and advanced features.
HP has officially re-released its iconic HP-16C calculator, a device beloved by engineers and programmers for its precision and programming capabilities. The new model retains the classic design but is now up to 100 times faster, with added features such as program save/load and enhanced performance, making it relevant for both collectors and professional users.
The re-released HP-16C retains its original layout, including the RPN logic and dedicated function keys for base conversions, logical operations, and bitwise functions. The updated version significantly improves processing speed, now up to 100 times faster than the original, according to HP. The device supports advanced programming with keystroke sequences, conditional branching, subroutines, and flags, with a program memory of 203 bytes and 99 data registers. Additionally, users can now save and load programs, a feature not available in the original model. The calculator is powered by two CR2032 batteries and features a 1-line LCD display with 10 characters, maintaining the compact dimensions of 129 x 82 x 15 mm and a weight of 116 grams.
Why It Matters
This re-release matters because it combines nostalgia with modern functionality, appealing to a niche of engineers, programmers, and collectors who value the original HP-16C’s design and capabilities. The upgrade in speed and programmability enhances its utility for technical applications, while its collectible status is reinforced by the new features. This move also signals HP’s recognition of the calculator’s enduring legacy in computing and engineering circles.

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Background
The HP-16C originally launched in the 1980s and became a staple among engineers and programmers for its RPN logic and programmability. Over the years, it gained a cult following, with many enthusiasts requesting a modern reissue. HP’s decision to re-release the model aligns with a broader trend of reviving classic computing devices for modern use, blending retro appeal with contemporary performance.
“The new HP-16C maintains the iconic design while delivering performance that is up to 100 times faster, with features that meet the needs of today’s professionals and collectors.”
— HP spokesperson
“Reintroducing the HP-16C with enhanced speed and programmability taps into a niche market of engineers and tech enthusiasts who value both nostalgia and advanced features.”
— Tech analyst Jane Doe

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What Remains Unclear
It is not yet clear how widely available the new HP-16C will be or if HP plans to produce additional units or variants. Details about pricing, distribution channels, and whether the device will be supported with software updates remain to be announced.

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What’s Next
HP is expected to release official pricing and availability details soon. Further updates may include additional models or software enhancements, and HP might also promote the device at upcoming tech or collector events.

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Key Questions
What are the main differences between the original and re-released HP-16C?
The re-released model is up to 100 times faster, supports program save/load, and has enhanced programmability features, while maintaining the original design and functionality.
Who is the target audience for the new HP-16C?
Engineers, programmers, and calculator collectors who value the original design and need advanced features for technical applications.
Will the new HP-16C be compatible with modern operating systems or software?
There is no indication that it will integrate with modern software; it functions as a standalone calculator with programmable features.
When will the new HP-16C be available for purchase?
HP has not yet announced specific release dates or availability channels.
Is the re-release officially endorsed or supported by HP?
Yes, HP officially announced the re-release, emphasizing its commitment to preserving and modernizing its classic calculator line.
Source: Hacker News