scientific notation


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scientific notation,

means of expressing very large or very small numbers in a compact form that is easy to use in computations. In this notation, any number is expressed as a number between 1 and 10 multiplied by a power of 10 that indicates the correct position of the decimal point in the original number; numbers greater than 10 are expressed by positive powers of 10 and numbers less than 1 are expressed by negative powers of 10 (see exponentexponent,
in mathematics, a number, letter, or algebraic expression written above and to the right of another number, letter, or expression called the base. In the expressions x2 and xn, the number 2 and the letter n
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). For example, 43,700 is written in scientific notation as 4.37 × 104 and 0.00526 as 5.26 × 10−3. The larger the converted number, the more compactness is achieved: for example, the speed of light, about 30,000,000,000 cm per sec, becomes 3 × 1010 cm per sec. Calculations are greatly simplified by use of scientific notation: the first parts of a pair of numbers to be multiplied or divided are combined manually or by slide rule and the powers of 10 are added or subtracted in accordance with the rules for exponents. If the first part of the result is greater than 10, an adjustment is made. For example, in order to multiply 832,000 by 0.00035, one converts first to scientific notation as follows: (832,000)×(0.00035)=(8.32×105)×(3.5×10−4)=8.32×3.5×105×10−4=29.12×101=2.912×102 (in scientific notation) or 291.2 (in ordinary notation).

scientific notation

[‚sī·ən¦tif·ik nō′tā·shən]
(computer science)
The display of numbers in which a base number, representing the significant digits, is followed by a number representing the power of 10 to which the base number is raised.

scientific notation

The display of numbers in floating point form. The number (mantissa) is always equal to or greater than one and less than 10, and the base is 10. For example, 2.345E6 is equivalent to 2,345,000. The number following E (exponent) represents the power to which the base should be raised (number of zeros following the decimal point).
References in periodicals archive ?
The SMART Board 'Powers' manipulative is capable of displaying the last digits of 61 through 619 before the numbers become too large to display without scientific notation.
A review of her pieces reveals a recurring vocabulary of forms, colours and textures reminiscent of scientific instruments, agar jelly and other substances associated with a laboratory setting and motifs likewise drawn from the lab, scientific notation and writing.
In scientific notation, very large or very small numbers are expressed as some coefficient (an integer) times 10 to the power of some exponent.
The proteins encoded by each gene have multiple copies of a stretch of amino acids called an IQ domain--the name derives from the scientific notation for two amino acids, isoleucine (I) and glutamine (Q), present in the domain.
ImagiCalc lets students display values in floating point, fixed point, scientific notation, or engineering notation.
One day Matt was playing with my scientific calculator and entered a multiplication problem for which the product was expressed in scientific notation.
and converts numeric information from decimal, hex, or scientific to decimal, hex, or scientific notation.
A similar argument could be made for deleting Section 2, "History of Scientific Notation," which presents nice-to-know information but does not contribute to the overall issues of format and style.
Optical character recognition accommodates the conversion of text but not maps, graphics, or scientific notation.
1) Or why it's only in the last two millennia of written language, after painstaking developments in mathematical and scientific notation, that math and science have boomed?
Scientific notation is used by all the authors, which is fine, but too often we are given not a specific reference such as (Karris 1978: 124) but a reference to a whole book (Malina 1986a).

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