decimal

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decimal

1. a fraction that has a denominator of a power of ten, the power depending on or deciding the decimal place. It is indicated by a decimal point to the left of the numerator, the denominator being omitted. Zeros are inserted between the point and the numerator, if necessary, to obtain the correct decimal place
2. any number used in the decimal system
3.
a. relating to or using powers of ten
b. of the base ten
4. expressed as a decimal

Decimal

a fraction whose denominator is a whole power of the number 10. The decimal is written without a denominator, setting off in the numerator to the right of the decimal point as many digits as there are zeros in the denominator (for example, 485,634/1,000 = 485.634 and 3/100 = 0.03). In such notation, the part to the left of the decimal point designates the integer part of the fraction. The first digit after the decimal point designates the number of tenths; the second, the number of hundredths; and so forth.

The decimal notation of rational numbers whose denominator does not have other prime factors except 2 and 5 contains a finite number of digits (for example, 4/25 = 0.16). In general, the digits in the decimal notation of a rational number begin repeating at some position; such a number is an infinite repeating decimal (for example, 7/6 = 1.1666 …). Irrational numbers are nonrepeating infinite decimals (for example, = 1.41421 . … In all cases, the decimal of akak-1a0b1b2 … can be written in the form

where ak, ak-1, … , a0, b1b2, are the numerals 0, 1, 2, … , 9 (ak ≠ 0) in the corresponding digit of the number. For example, 382.1274 = 3 x 102 + 8 × 10 + 2 + 1/10 + 2/102 + 7/103 + 4/104, that is, here a2 = 3, a1 = 8,a0 = 2, b1 = 1, b2 = 2, b3 = 7, and b4 = 4. Decimals were already used in the 14th-15th centuries. The Samarkand mathematician Al Kashi described the decimal system in 1427. In Europe, the decimal was introduced by S. Stevin in 1584.

decimal

[′des·məl]
(mathematics)
A number expressed in the scale of tens.

decimal

Meaning 10. The numbering system used by humans, which is based on 10 digits. In contrast, computers use binary numbers because it is easier to design electronic systems that can maintain two states rather than 10.
References in periodicals archive ?
In this article, I examine how various measures of stock market liquidity changed following decimalization.
Chung, Chuwonganant, and McCormick show that the bid-ask spread (dealer quote aggressiveness) is positively (negatively) related to the proportion of internalized trades during both the pre- and post- decimalization periods.
So, till decimalization becomes a reality, keep dividing the numerator by the denominator to determine that, say, 11/32 in a stock's price equals 0.
Decimalization is the result of a congressional mandate and order by the Securities and Exchange Commission.
The Implementation of Decimalization of market trades is scheduled to
We were able to make the switch to decimalization well before any of our competitors because of the advanced technology of the Watcher platform.
The Amex will also trade options on equities listed on the New York Stock Exchange that have been selected for decimalization including FedEx Corporation (FDX) and Gateway Inc.
While many companies participating in the survey found it difficult to indicate a technology leader from outside the brokerage industry for issues such as straight through processing (STP) and decimalization, when they did, it tended to be Sun.
SEI also announced the decimalization of the TRUST 3000 system, and the development of its real time messaging platform to support the infrastructure requirements of the STP/T+1 transition.
Imperiale added: "The speed and capacity of Compaq's Alphas are even more important today as we prepare for the move to extended trading hours, decimalization and multiple listing of options.
Details Impact of Algorithmic Trading, ECNs, Soft Dollars, Decimalization, OMS, TCA, Market Structure, Crossing Networks, Trading
In addition, as recent Congressional hearings demonstrated, there are potentially costly side effects to decimalization in terms of reduced market depth and enhancement of the ability of professional orders to step ahead of public customers.

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