04/ 10/ 1968 HP 9100A «PERSONAL COMPUTER» ⋆ Retrocity

9100a Hp. HP’s history of innovation The ten products that changed everything (The HP 9100B contained twice as much memory.) The current drive sources were temperature compensated to make the memory insensitive to temperature and power supply variations. It had limited internal memory and only stored 196 steps

It had limited internal memory and only stored 196 steps The Hewlett-Packard 9100A (HP 9100A) is an early programmable calculator [3] (or computer), first appearing in 1968

The HewlettPackard 9100A ( hp 9100A ) is one of the first programmable

The Hewlett-Packard 9100A (HP 9100A) is an early programmable calculator [3] (or computer), first appearing in 1968 Although the HP 9100A was really a desktop computer, the company decided to sell it as a calculator, explains the HP corporate archivist.. 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 HP Model 9100A Computing. 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) It was called a "computing calculator," weighed 18 kg (40 lbs), and sold for less than $5000

HP 9100B was an improved version of HP 9100A, a first Hewlett Packard. 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 HP sold the 9100A as a calculator because at the time the perception was that a computer had to be big to be credible