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A modern scientific calculator with an LCD. 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. Pocket-sized devices became available in the 1970s, especially after the ...
A financial calculator or business calculator is an electronic calculator that performs financial functions commonly needed in business and commerce communities [ 1] (simple interest, compound interest, cash flow, amortization, conversion, cost/sell/margin, etc.). It has standalone keys for many financial calculations and functions, making such ...
A software calculator is a calculator that has been implemented as a computer program, rather than as a physical hardware device. They are among the simpler interactive software tools, and, as such, they provide operations for the user to select one at a time. They can be used to perform any process that consists of a sequence of steps each of ...
Calculator input methods. There are various ways in which calculators interpret keystrokes. These can be categorized into two main types: On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [ 1][ 2][ 3]
A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic (addition, subtraction, multiplication, division) and complex (trigonometric, hyperbolic, etc.) mathematical operations and functions. They have completely replaced slide rules as well as books of mathematical tables and ...
The NumWorks graphing calculator was the first graphing calculator to be programmable using the Python language. It features a 320x240 IPS display with a 2.8″ diagonal. Internally, it is powered by a 216 MHz Cortex-M7 processor and 8 MB of Quad-SPI Flash memory. The calculator has a 1450 mAh lithium polymer battery.
Dimensions. Length: 5.8 inches (150 mm), width: 3.2 inches (81 mm), height: 0.7–1.3 inches (18–33 mm) 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.
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