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The Hewlett-Packard 9100A (HP 9100A) is an early programmable calculator (or computer), first appearing in 1968. HP called it a desktop calculator because, as Bill Hewlett said, "If we had called it a computer, it would have been rejected by our customers' computer gurus because it didn't look like an IBM .
La HP 9100A, introducida en 1968, fue la primera calculadora de Hewlett-Packard (HP). Era una calculadora de escritorio que costaba 4900 $ USA. Además de las cuatro operaciones básicas de las calculadoras electrónicas de otras compañías, la HP 9100 tenía funciones trigonométricas, hiperbólicas, logaritmos, exponenciación y ...
The HP 9100A was Hewlett-Packard's first calculator. In the mid to late 1960's electronic four function fixed-point calculators were brand new and typically cost $1000-$2500. In 1968 HP introduced the HP 9100A featuring: Floating-point math with a range of 10 -98 to 10 99. Log (natural and base 10)
The 9100A would trigger a desktop calculator boom throughout the technology industry and contribute directly to the personal computer revolution. A 1968 advertisement even contained one of the earliest known uses of the phrase “personal computer.”
The 9100A was the world's first programmable scientific desktop calculator. Really a desktop computer, the 9100A combined Reverse Polish Notation (RPN)—a system for representing mathematical expressions without the use of parentheses—with a special algorithm that could handle trigonometric and logarithmic functions.
The 9100A was the first technical desktop computer introduced by Hewlett Packard. The 9100 could also be considered a calculator. It did not have an alphanumeric keyboard, and most functions were effectively "programmed under" individual keys on the keyboard, similar to a modern-day non-programmable trigonometric calculator.
The 9100A was the world's first programmable scientific desktop calculator. Take a virtual tour of this product, see close-up images and read about its history.
