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A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.
[10] An updated model, called the fx-CG50 or Graph 90+E in France, was released in January 2017 [11] with a more modern design (similar to the Classwiz scientific calculators) and a faster processor. The main menu screen has also been redesigned. Apart from that, it was very similar to the fx-CG10/20 upon release.
The TI-84 Plus C Silver Edition was released in 2013 as the first Z80-based Texas Instruments graphing calculator with a color screen.It had a 320×240-pixel full-color screen, a modified version of the TI-84 Plus's 2.55MP operating system, a removable 1200 mAh rechargeable lithium-ion battery, and keystroke compatibility with existing math and programming tools. [6]
The first American-made pocket-sized calculator, the Bowmar 901B (popularly termed The Bowmar Brain), measuring 5.2 by 3.0 by 1.5 inches (132 mm × 76 mm × 38 mm), came out in the Autumn of 1971, with four functions and an eight-digit red LED display, for US$240, while in August 1972 the four-function Sinclair Executive became the first ...
The Curta was conceived by Curt Herzstark in the 1930s in Vienna, Austria.By 1938, he had filed a key patent, covering his complemented stepped drum. [3] [4] This single drum replaced the multiple drums, typically around 10 or so, of contemporary calculators, and it enabled not only addition, but subtraction through nines complement math, essentially subtracting by adding.
It has a 2.5mm stereo phono plug on one end, the patented electronic circuit inside the plastic bump and a DE-9F on the other for connecting to the serial port of a PC. The circuit converts low voltage low power signals of the handheld device to be compatible with the levels and power of a PC's RS-232 serial port.
Credit Karma is an American multinational personal finance company founded in 2007. It has been a brand of Intuit since December 2020. [3] It is best known as a free credit and financial management platform, but its features also include monitoring of unclaimed property databases and a tool to identify and dispute credit report errors. [4]
It was released on October 5, 2021. [6] Its successor, Microsoft Office 2024 was released on October 1, 2024. [7] Office 2021 retains the same major version number of 16 that previous versions of Office had. It introduces new dynamic arrays, XLOOKUP [8] features for Excel, full dark-mode support in Windows and performance improvements.