The Hewlett Packard 35s is a legendary scientific calculator that revolutionized the field of mathematics and engineering when it was introduced in 197This handheld calculator was not only HP's first product to incorporate integrated circuits and LEDs, but it also marked the shift from traditional slide rules to electronic calculators for rapid and accurate calculations.
The Birth of the HP-35
The HP-35 Scientific Calculator, named after its 35 keys, was the brainchild of Bill Hewlett, co-founder of Hewlett Packard. In 1968, Bill challenged HP engineers to create a desktop-sized computer, resulting in the 9100A. However, he didn't stop there. In 1971, Bill posed another challenge to his engineers: to shrink the desktop computer into a handheld device that could fit in his shirt pocket.
Despite initial skepticism from a local market research firm that deemed the calculator too expensive to sell, Bill Hewlett pushed forward with the development of the HP-3The calculator quickly gained popularity and exceeded all expectations. In its first year alone, HP sold 100,000 units, far surpassing the initial goal of breaking even at 10,000 units.
The HP-35's Impact
The introduction of the HP-35 Scientific Calculator had a profound impact on the field of mathematics and engineering. Prior to its release, professionals relied on slide rules for their calculations. Slide rules were mechanical devices that used logarithmic scales to perform mathematical operations. While they were effective, they were limited in their functionality and required manual manipulation.
The HP-35, on the other hand, offered a compact and portable solution that could perform complex calculations with ease. Its integration of integrated circuits and LEDs allowed for faster and more accurate computations. This groundbreaking device quickly became a staple in the industry, replacing slide rules and transforming the way calculations were done.
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Features and Functionality
The HP-35 Scientific Calculator boasted an array of features that set it apart from its competitors. One of its key innovations was the use of Reverse Polish Notation (RPN). RPN eliminates the need for parentheses and reduces the chances of errors in complex calculations. This notation system, which is still used in modern HP calculators, provides a more efficient and intuitive way to input mathematical expressions.
The calculator also offered a wide range of functions, including trigonometric, logarithmic, and exponential calculations. It could handle both decimal and hexadecimal numbers, making it versatile for various applications. Additionally, the HP-35 had a memory function that allowed users to store and recall frequently used values.
Legacy and Discontinuation
The HP-35 Scientific Calculator enjoyed immense success during its production period. By the time it was discontinued in 1975, over 300,000 units had been sold worldwide. Its impact on the industry was undeniable, as it paved the way for future advancements in calculator technology.
Hewlett packard: from garage startup to global tech giantAlthough the HP-35 has been succeeded by newer models, its legacy lives on. Hewlett Packard continues to produce scientific calculators that incorporate the same principles of innovation and accuracy. The HP-35's influence can be seen in the continued popularity of HP calculators among professionals in fields such as engineering, mathematics, and science.
The Hewlett Packard 35s, also known as the HP-35 Scientific Calculator, remains a groundbreaking device that revolutionized the way calculations were performed. Its integration of integrated circuits and LEDs, along with its use of Reverse Polish Notation, set a new standard for scientific calculators. The HP-35's impact on the industry is undeniable, as it replaced traditional slide rules and ushered in a new era of portable and efficient computing. Despite its discontinuation, the HP-35's legacy lives on in the continued innovation of Hewlett Packard calculators.