Search results
Results From The WOW.Com Content Network
A cube root of a number x is a number y such that y3 = x. Learn about the real and complex cube roots, their formal definition, geometric representation, numerical methods and applications in mathematics.
Learn about the history, features, and modes of Windows Calculator, a software calculator developed by Microsoft and included in all versions of Windows. Find out how to use it for arithmetic, scientific, programmer, and graphing calculations, and how to access its panel with date, unit, and worksheets.
Learn about the origins and solutions of cubic equations, which are equations of the form ax3 + bx2 + cx + d = 0. Find out how ancient and medieval mathematicians from different cultures approached and solved cubic equations using algebra, geometry, and numerical approximations.
Learn about different algorithms for approximating the non-negative square root of a positive real number, such as Heron's method, Newton's method, and continued fractions. Compare the accuracy, complexity, and history of various methods, and how to choose a suitable initial estimate.
Tetration is an operation based on iterated exponentiation, where n copies of a are raised to a power. Learn how to write and read tetration, how it differs from exponentiation and other hyperoperations, and see some examples of tetration with different bases and heights.
Learn how to estimate the reciprocal of the square root of a 32-bit floating-point number using bit-fiddling techniques and Newton's method. Discover the origin and motivation of this algorithm, which was used in Quake III Arena and other 3D graphics programs.
An nth root of a number x is a number r that, when raised to the power of n, yields x. The number x is called the radicand and the index or degree of the root is n. Learn more about the history, notation, properties and operations of nth roots.
Learn about mental calculation, the arithmetical calculations using only the human brain, with no help from any supplies or devices. Find out the methods and techniques, such as casting out nines, factors, and FOIL, to perform mental calculations faster and more accurately.