2939S37036 HP Calculator

Review HP Vintage 17b Business Calculator

The HP 29C is a programmable scientific calculator, model number 2939S37036, manufactured by Hewlett-Packard in 1987. This calculator is a classic and highly sought-after model among mathematicians, engineers, and scientists due to its advanced features and capabilities.

The HP 29C offers a total of 112 functions, including trigonometric, exponential, logarithmic, and statistical functions. Its display features 12 digits, with the ability to show up to 14 significant digits in calculations. The calculator has a reverse Polish notation (RPN) entry method, which allows for efficient and logical computation.

One of the most notable features of the HP 29C is its programmability. It offers 272 bytes of program memory, which can be used to store and recall user-defined functions and sequences of calculations. The calculator also features a built-in registry of 80 user-defined functions, allowing for easy customization.

The HP 29C has a sturdy and compact design, with a black and gray case and a green backlit display. It measures 6.3 inches long, 3.2 inches wide, and 1.2 inches thick, making it a convenient and portable choice for on-the-go use.

The calculator requires two AA batteries, which are not included in the package. It is powered off when batteries are removed or when the ON key is pressed and held for more than 5 seconds.

The HP 29C is a precision instrument, with a guaranteed accuracy of 0.005% for arithmetic and trigonometric operations, and 0.01% for exponential and logarithmic operations. It also features a built-in checksum function to ensure data integrity.

In summary, the HP 29C is a powerful and versatile scientific calculator, with a rich set of features and capabilities that make it an essential tool for professionals and students in fields such as mathematics, engineering, and science. Its programmability, large function library, and compact design make it a reliable and convenient choice for a wide range of applications.

The HP 29C or HP 29C series calculators, including the HP 2939S37036 model from 1987, are considered classic programmable scientific calculators known for their versatility and advanced features. Here are some pros and cons for considering a purchase of this model:

1. Advanced functionality: The HP 29C calculator offers a wide range of scientific calculations, statistics, and matrix operations, making it an excellent choice for students, engineers, and scientists.

2. Programmability: With 128KB of memory, the HP 29C allows users to store up to 27 ROMs and 8 user-defined registers, enabling advanced problem-solving and customization.

3. Durability: These calculators are known for their robust design, with a metal case and high-quality buttons, making them a reliable option for long-term use.

4. Backlit display: The calculator features a backlit display, which can be useful for working in low-light conditions.

5. Battery life: With an average battery life of around 1-2 years, the HP 29C calculator offers a decent battery life for its time.

1. Limited memory: Compared to modern calculators, the HP 29C's 128KB memory is quite limited. This may not be an issue for most users, but those working on complex projects may find it restrictive.

2. Lack of graphing capabilities: The HP 29C calculator does not have graphing capabilities, making it less suitable for students or engineers who require visual representations of mathematical functions.

3. No USB or wireless connectivity: The HP 29C calculator does not support USB or wireless connectivity, making data transfer more challenging and time-consuming.

4. Replacement parts availability: As these calculators are older models, finding replacement parts for potential repairs can be difficult and expensive.

In conclusion, the HP 29C calculator, including the HP 2939S37036 model, offers advanced functionality, programmability, and durability, making it a strong option for those who require powerful scientific calculations. However, its limitations in memory, graphing capabilities, and connectivity options may be drawbacks for some users. Ultimately, the decision to purchase an HP 29C calculator depends on the individual's specific requirements and priorities. If advanced functionality and programmability are essential, and the lack of graphing and connectivity options are not deal-breakers, this calculator may be an excellent investment. However, if these features are crucial, users might want to consider a more modern calculator with additional capabilities.

Details:

Includes case. Vintage Hewlett Packard 10b business calculator 1987 - works.

specifications vintcalc:

• brand: Hp
• mpn: 2939s37036
• part type: Calculator
• country of origin: Singapore
• vintage: Yes

offer vintcalc:

• best offers: true
• prices: $174.95–$399.99
• item condition:
  • New
  • Used
• availability: in stock
• in stock #: 5
• started: february 20, 2026
• sold #: 12
• options: ship-to-home

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• policy: no returns

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• # reviews: 107
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• category: Electronics > Vintage Calculators

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