Revolutionizing scientific calculations: hewlett packard 20s calculator

The Hewlett Packard 20s Scientific Calculator, also known as the HP-20s, is a handheld calculator that was developed by Hewlett-Packard Company in Palo Alto, California. It was introduced in [insert year]. The HP-20s is a powerful scientific calculator that offers a wide range of functions and capabilities, making it an essential tool for engineers, scientists, and students.

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The First Handheld Scientific Calculator

The HP-20s is part of a long line of handheld calculators developed by Hewlett-Packard. The first handheld scientific calculator developed by HP was the HP-35, also known as the electronic slide rule. Introduced in 1972, the HP-35 revolutionized the profession by allowing engineers to make almost instantaneous, extremely accurate scientific calculations.

Unlike most contemporary calculators at the time, which could only perform basic arithmetic operations, the HP-35 was the first handheld calculator to perform transcendental functions such as trigonometric, logarithmic, and exponential functions. It replaced the slide rule, which had been used by generations of engineers and scientists.

The HP-35 performed all the functions of the slide rule to ten-digit precision over a full two-hundred-decade range. This innovation made it a game-changer in the field of scientific calculations.

The Innovation behind the HP-20s

The development of the HP-20s was a result of years of research, innovation, and technological advancements. After the success of the HP-35, Bill Hewlett, the president of Hewlett-Packard, envisioned a handheld calculator that could offer the same capabilities as a desktop calculator. He wanted the calculating power of the desktop in his pocket.

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The HP-20s utilized Metal Oxide Semiconductor (MOS) technology, which promised high density and low power consumption. The calculator featured a PMOS architecture, a binary coded decimal (BCD) adder, and a 13-digit plus sign long multiple words in a serial circulating shift register arrangement. These design choices made the HP-20s efficient in terms of chip size and power consumption.

The calculator had a clock rate of 200 KHz, which was sufficiently high to calculate transcendental functions within a second. The HP-20s could handle numbers as small as 10^-99 and as large as 10^99, automatically placing the decimal point. It was the first pocket calculator to offer transcendental functions like logarithms and trigonometric functions.

hewlett packard 20s scientific calculator - Which HP developed a handheld scientific calculator called the HP-35 known as the electronic slide rule

The Impact of the HP-20s

The HP-20s, like its predecessor the HP-35, had a significant impact on the field of scientific calculations. It quickly rendered the slide rule obsolete, as it could perform all the functions of the slide rule with greater precision and accuracy.

The HP-20s, along with its descendants, would go on to sell more than 20 million units for Hewlett-Packard, making it one of the most popular products in the company's history. Forbes ASAP magazine even recognized the HP-35 as one of the twenty products that changed the modern world.

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The HP-20s was designed with the user in mind. Hewlett-Packard put a lot of thought into the keyboard layout, choice of functions, and overall styling. The keyboard was divided into groups with different sizes, colors, and placement of nomenclature. The keys were made with a double mold process, ensuring that the legends would never wear off.

The HP-20s was also designed to be durable. It was required to remain undamaged even after falling three feet onto concrete on each of its corners. The case had sculpted sides to give the calculator a slim and sleek appearance.

The Hewlett Packard 20s Scientific Calculator, or HP-20s, is a powerful handheld calculator that revolutionized the field of scientific calculations. It built upon the success of its predecessor, the HP-35, and offered a wide range of functions and capabilities. The HP-20s, along with other handheld calculators developed by Hewlett-Packard, became essential tools for engineers, scientists, and students.

The HP-20s showcased the innovative design and technological advancements of Hewlett-Packard. It paved the way for future advancements in portable calculators and set a new standard for precision and accuracy in scientific calculations.

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