The History of Pocket Electronic Calculators
HP introduces their first pocket calculator, the HP-35, the world's first pocket calculator with scientific (transcendental) functions. Slide rule sales plummet. 1973-74 -- Competition to produce cheaper pocket calculators reaches a frenzy.
Calculator - Wikipedia
The first programmable pocket calculator was the HP-65, in 1974; it had a capacity of 100 instructions, and could store and retrieve programs with a built-in magnetic card reader.
HP-35 - Wikipedia
The HP-35 was Hewlett-Packard's first pocket calculator and the world's first scientific pocket calculator: [1] a calculator with trigonometric and exponential functions. It was introduced in 1972.
The History Of The Calculator
2024年11月10日 · By 1974, the bulky TI 2550 appeared as the first sub-10 dollar calculator and within a further two years, the price of the basic 4-function pocket calculator was about a twentieth what it had been five years earlier.
The History Of The Calculator: When was the Calculator First …
The device featured user-definable keys (with 35 keys controlling more than 80 operations) and was the first HP pocket calculator with base conversions (octal and decimal). The calculator cost $795 when it launched in 1974.
TI Cal-Tech: World's First Pocket Electronic Calculator
Canon Inc., in close collaboration with Texas Instruments Inc. of the United States, has successfully developed the world's first "pocketable" battery-driven electronic print-out calculator with full large-scale integrated circuitry.
Development of the HP-35, the First Handheld Scientific Calculator, 1972
2024年6月10日 · Developed by Hewlett-Packard Company in Palo Alto, California at 1501 Pagemill Road and introduced in 1972, the HP-35 was the first full-function, shirt-pocket-sized, scientific calculator.
The Pocket Calculator Race - Vintage Calculators
This was the world's first true pocket calculator, small enough to fit in a shirt pocket, and also the first calculator with an LED (Light-Emitting Diode) display. It went on sale in early 1971.
HP-35
It is the first pocket calculator to provide you with transcendental functions like logarithms and sines and cosines. The operational stack and the reverse "Polish" (Lukasiewicz) notation used in the HP-35 are the most efficient way known to computer …
The Museum of HP Calculators
The Museum of HP Calculators displays and describes Hewlett-Packard calculators introduced from 1968 to 1986 plus a few interesting later models. There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting information and a software library.