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Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).
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In mathematics, summation is the addition of a sequence of numbers, called addends or summands; the result is their sum or total.Beside numbers, other types of values can be summed as well: functions, vectors, matrices, polynomials and, in general, elements of any type of mathematical objects on which an operation denoted "+" is defined.
Chemical formula. C 22 H 38 N 2: Molar mass: 330.560 g·mol −1 Except where otherwise noted, ...
An alternate recursive formula for the limit of ratio of two consecutive -nacci numbers can be expressed as r = ∑ k = 0 n − 1 r − k {\displaystyle r=\sum _{k=0}^{n-1}r^{-k}} . The special case n = 2 {\displaystyle n=2} is the traditional Fibonacci series yielding the golden section φ = 1 + 1 φ {\displaystyle \varphi =1+{\frac {1 ...
arcosech – inverse hyperbolic cosecant function. (Also written as arcsch.) arcosh – inverse hyperbolic cosine function. arcoth – inverse hyperbolic cotangent function. arcsch – inverse hyperbolic cosecant function. (Also written as arcosech.) arcsec – inverse secant function. arcsin – inverse sine function. arctan – inverse ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Observation that in many real-life datasets, the leading digit is likely to be small For the unrelated adage, see Benford's law of controversy. The distribution of first digits, according to Benford's law. Each bar represents a digit, and the height of the bar is the percentage of ...
Given an arithmetic function a(n), its summation function A(x) is defined by ():= (). A can be regarded as a function of a real variable. Given a positive integer m , A is constant along open intervals m < x < m + 1, and has a jump discontinuity at each integer for which a ( m ) ≠ 0.