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An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics. The first solid-state electronic calculator was created in the early 1960s.
The financial calculator is an electronic device designed for solving financial problems and uses paper tape to print calculations for hard-copy record-keeping. This calculating machine can usually compute the present, future, rate of return and other critical financial concepts such as return on investment .
A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic (addition, subtraction, multiplication, division) and advanced (trigonometric, hyperbolic, etc.) mathematical operations and functions.
Feb 15, 2024 · Mechanical calculators (ones made from gears and levers) were in widespread use from the late-19th to the late-20th century. That's when the first affordable, pocket, electronic calculators started to appear, thanks to the development of silicon microchips in the late 1960s and early 1970s. Photo: This is what calculators looked like in the 1970s.
Oct 19, 2023 · The introduction of vacuum tubes replaced mechanical parts, but the calculators, although quicker, were still quite heavy. The world’s first electronic calculator, ANITA, used small vacuum tubes, but weighed a hefty thirty-three pounds! Compare that to your pocket calculator or the app on your two hundred-gram iPhone.
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The development of electronic data-processing systems by the mid-1950s began to hint at obsolescence for mechanical calculators, and the developments of miniature solid-state electronic devices ushered in new calculators for pocket or desk top that, by the late 20th century, could perform simple mathematical functions (e.g., normal and inverse trigonometric functions) in addition to basic ...
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The displays of most early electronic calculators were made up of LEDs, or light-emitting diodes. Newer models that use less power incorporate the liquid crystal display , or LCD. Rather than producing light, LCDs rearrange light molecules to create a pattern on the display and ultimately don't require as much electricity.
