# HP-01

> Calculator watch

**Wikidata**: [Q3125149](https://www.wikidata.org/wiki/Q3125149)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HP-01)  
**Source**: https://4ort.xyz/entity/hp-01

## Summary
The HP-01 is a calculator watch model manufactured by Hewlett-Packard. Classified as a product model that functions as both a watch and a calculator, it is an early example of wearable technology. The device is alternatively known as the Hewlett-Packard HP-01.

## Key Facts
*   **Product Type:** The HP-01 is a product model subclassed as both a watch and a calculator.
*   **Manufacturer:** It was produced by Hewlett-Packard, an American information technology company founded on July 2, 1939.
*   **Headquarters:** The manufacturer was headquartered in Palo Alto, United States.
*   **Aliases:** The device is also known as the "Hewlett-Packard HP-01."
*   **Industry Context:** The creator of the device, Hewlett-Packard, operated within the computer hardware, software, and information technology industries.
*   **Documentation:** The device is described by sources such as the *Hewlett-Packard Journal*, the *Museum of HP Calculators*, and HP Inc.'s official history museum.
*   **Media:** An image of the device is archived on Wikimedia Commons under the title "Hewlett Packard Digital Watch Modell 1 1977."

## FAQs
### Q: What exactly is the HP-01?
A: The HP-01 is a wearable device that functions as both a digital watch and a calculator. It is a specific product model released by the technology company Hewlett-Packard.

### Q: Who manufactured the HP-01?
A: The HP-01 was manufactured by Hewlett-Packard, a major American information technology company based in Palo Alto, California.

### Q: Where can I find information about the HP-01?
A: Detailed information regarding the HP-01 is available in the *Hewlett-Packard Journal*, the *Museum of HP Calculators*, and the official HP Inc. museum archives.

## Why It Matters
The HP-01 holds significance as a pioneering entry in the history of personal electronics and wearable technology. Released by Hewlett-Packard—a company foundational to the computer hardware and software industries—the device represented a convergence of timekeeping and computational utility. While Hewlett-Packard was historically known for industrial and enterprise computing, the HP-01 demonstrated the company's capacity for innovation in the personal consumer electronics space.

As a "calculator watch," the HP-01 bridged the gap between specialized mathematical tools and everyday accessories. It stands as a historical marker of miniaturization in the electronics industry, embodying the era's trend toward multifunctional, portable devices. Its inclusion in dedicated archives like the *Museum of HP Calculators* and analysis in technical journals underscores its enduring relevance to collectors and technology historians.

## Notable For
*   **Hybrid Functionality:** It is a distinct product model that integrates the utility of a calculator with the form factor of a wristwatch.
*   **Manufacturing Pedigree:** It was created by Hewlett-Packard, a leading entity in the computer hardware and information technology sectors.
*   **Historical Documentation:** The device is extensively covered in historical technical literature, including the *Hewlett-Packard Journal*.
*   **Wearable Computing:** It serves as an early example of "smart" wearable technology preceding modern smartwatches.

## Body

### Product Classification
The HP-01 is formally classified as a "product model" with a subclass of "watch" and "calculator." This taxonomy defines its primary operational modes: timekeeping and mathematical calculation. The device is identified in knowledge bases by its Freebase ID `/m/026rdgp` and has a sitelink count of 5 across various language wikis, including German, English, Spanish, and French.

### Manufacturer Background
The entity responsible for the HP-01 is **Hewlett-Packard**.
*   **Foundation:** The company was founded on July 2, 1939.
*   **Location:** Its headquarters were located in Palo Alto, United States.
*   **Industry:** Hewlett-Packard operated in the computer hardware, software, and broader information technology industries.
*   **Scale:** At its peak relevance to this product's era (referenced via 2014 data points in related records), the company employed approximately 302,000 people.

### Documentation and Sources
The technical and historical specifics of the HP-01 are preserved through several key sources:
*   **Hewlett-Packard Journal:** A technical publication that describes the device (archived PDF available).
*   **Museum of HP Calculators:** A dedicated resource for the preservation of HP's calculation history.
*   **HP Inc. Museum:** The official corporate archive detailing the device's place in company history.
*   **Visual Records:** The device is visually documented in the Wikimedia Commons category "HP-01," specifically featuring the "Hewlett Packard Digital Watch Modell 1 1977."