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Login.gov is a single sign-on solution for US government websites. It enables users to log in to services from numerous government agencies using the same username and password. Login.gov was jointly developed by 18F and the US Digital Service . [1]
Euler's identity. In mathematics, Euler's identity [note 1] (also known as Euler's equation) is the equality. is pi, the ratio of the circumference of a circle to its diameter. Euler's identity is named after the Swiss mathematician Leonhard Euler. It is a special case of Euler's formula when evaluated for .
Google Classroom is a free blended learning platform developed by Google for educational institutions that aims to simplify creating, distributing, and grading assignments. The primary purpose of Google Classroom is to streamline the process of sharing files between teachers and students. [3] As of 2021, approximately 150 million users use ...
Quadratic formula. The roots of the quadratic function y = 1 2 x2 − 3x + 5 2 are the places where the graph intersects the x -axis, the values x = 1 and x = 5. They can be found via the quadratic formula. In elementary algebra, the quadratic formula is a closed-form expression describing the solutions of a quadratic equation.
Carl Friedrich Gauss in 1828. In mathematics, the differential geometry of surfaces deals with the differential geometry of smooth surfaces with various additional structures, most often, a Riemannian metric . Surfaces have been extensively studied from various perspectives: extrinsically, relating to their embedding in Euclidean space and ...
A vol-au-vent (pronounced [vɔlovɑ̃], French for "windblown", to describe its lightness) is a small hollow case of puff pastry. It was formerly also called a patty case. [1] How to make vol-au-vents. A vol-au-vent is typically made by cutting two circles in rolled out puff pastry, cutting a hole in one of them, then stacking the ring-shaped ...
Nicholas II (Nikolai Alexandrovich Romanov; [d] 18 May [ O.S. 6 May] 1868 – 17 July 1918) or Nikolai II was the last reigning Emperor of Russia, King of Congress Poland, and Grand Duke of Finland from 1 November 1894 until his abdication on 15 March 1917. During his reign, Nicholas gave support to the economic and political reforms promoted ...
Polarization identity. In linear algebra, a branch of mathematics, the polarization identity is any one of a family of formulas that express the inner product of two vectors in terms of the norm of a normed vector space. If a norm arises from an inner product then the polarization identity can be used to express this inner product entirely in ...