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In algebra, the partial fraction decomposition or partial fraction expansion of a rational fraction (that is, a fraction such that the numerator and the denominator are both polynomials) is an operation that consists of expressing the fraction as a sum of a polynomial (possibly zero) and one or several fractions with a simpler denominator. [1]
Thus, it is often useful to convert repeating digits into fractions. A conventional way to indicate a repeating decimal is to place a bar (known as a vinculum) over the digits that repeat, for example 0. 789 = 0.789789789.... For repeating patterns that begin immediately after the decimal point, the result of the conversion is the fraction with ...
FOCAL (acronym for Formulating On-line Calculations in Algebraic Language, [1] or FOrmula CALculator [2]) is an interactive interpreted programming language based on JOSS and mostly used on Digital Equipment Corporation (DEC) PDP series machines. JOSS was designed to be a simple language to allow programs to be easily written by non-programmers.
The memory is divided into odd and even banks. It accesses both banks concurrently to read 16 bits of data in one clock cycle; Data bus width: 16 bits, address bus: 20 bits; 29,000 transistors at 3 μm; Addressable memory 1 megabyte (1024 2 B) Up to 10× the performance of 8080; First used in the Compaq Deskpro IBM PC-compatible computers.
In probability theory, a log-normal (or lognormal) distribution is a continuous probability distribution of a random variable whose logarithm is normally distributed.Thus, if the random variable X is log-normally distributed, then Y = ln(X) has a normal distribution.
Conversely, if is a normal deviate with parameters and , then this distribution can be re-scaled and shifted via the formula = / to convert it to the standard normal distribution.
Westward expansion plus the building of canals and the introduction of steamboats opened up new areas for agriculture. Much land was cleared and put into growing cotton in the Mississippi valley and in Alabama, and new grain growing areas were brought into production in the Midwest. Eventually this put severe downward pressure on prices ...
An artist's depiction of a 2000s-era desktop-style personal computer, which includes a metal case with the computing components, a display and a keyboard (mouse not shown). A personal computer, often referred to as a PC or simply computer, is a computer designed for individual use. [1]