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Windows Calculator is a software calculator developed by Microsoft and included in Windows. In its Windows 10 incarnation it has four modes: standard, scientific, programmer, and a graphing mode. The standard mode includes a number pad and buttons for performing arithmetic operations.
Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. Product keys consist of a series of numbers and/or letters.
In Windows 7 and later, significant hardware changes (e.g. motherboard) may require a re-activation. In Windows 10 and 11, a user can run the Activation Troubleshooter if the user has changed hardware on their device recently. If the hardware has changed again after activation, they must wait 30 days before running the troubleshooter again.
Windows 11: Cobalt [g] October 4, 2021 21H2 Windows 11 Home; Windows 11 Pro; Windows 11 Pro for Workstations; Windows 11 Pro Education; Windows 11 Education; Windows 11 Enterprise; Windows 11 SE; 22000 x86-64, ARM64: October 10, 2023 [h] Windows 11 version 22H2: Nickel [i] September 20, 2022 22H2 22621 October 8, 2024 [h] Windows 11 version ...
A number of independently developed Linux programs (Cantor, KAlgebra) also offer GUI front-ends to Octave. An active community provides technical support to users. Igor Pro is proprietary software for performing complex numerical calculations, statistical analysis, and producing publication-quality graphics. It comes with its own programming ...
Product activation is a license validation procedure required by some proprietary software programs. Product activation prevents unlimited free use of copied or replicated software. Unactivated software refuses to fully function until it determines whether it is authorized to fully function. Activation allows the software to stop blocking its use.
Besides support of factoring, algebraic number theory, and analysis of elliptic curves, it works with mathematical objects like matrices, polynomials, power series, algebraic numbers, and transcendental functions. [3] Originally developed by Henri Cohen et al at Université Bordeaux I, France, it now is GPL software. The gp interactive shell ...
Such software calculators first emerged in the 1980s as part of the original Macintosh operating system and the Windows operating system (Windows 1.0). Some software calculators directly simulate one of the hardware calculators, by presenting an image that looks like the calculator, and by providing the same functionality.