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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).
Fold change is a measure describing how much a quantity changes between an original and a subsequent measurement. It is defined as the ratio between the two quantities; for quantities A and B the fold change of B with respect to A is B/A. In other words, a change from 30 to 60 is defined as a fold-change of 2.
A percentage point or percent point is the unit for the arithmetic difference between two percentages.For example, moving up from 40 percent to 44 percent is an increase of 4 percentage points (although it is a 10-percent increase in the quantity being measured, if the total amount remains the same). [1]
Incidentally, solving n 2 − n = 730 ln 2 for n gives the approximate formula of Frank H. Mathis cited above. This derivation only shows that at most 23 people are needed to ensure the chances of a birthday match are at least even; it leaves open the possibility that n is 22 or less could also work.
The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. AD 801–873 ), who formally developed the method (the ciphers breakable by this technique go ...
San Francisco, [23] officially the City and County of San Francisco, is a commercial, financial, and cultural center within Northern California.With a population of 808,988 residents as of 2023, [14] San Francisco is the fourth-most populous city in the U.S. state of California and the 17th-most populous in the U.S.
FIDE, however, calculates performance rating by means of the formula = +, where "rating difference" is based on a player's tournament percentage score , which is then used as the key in a lookup table where is simply the number of points scored divided by the number of games played.
The English name Switzerland is a portmanteau of Switzer, an obsolete term for a Swiss person which was in use during the 16th to 19th centuries, and land. [28] The English adjective Swiss is a loanword from French Suisse, also in use since the 16th century.