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Topic: Decimal notation

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	Algebra I Recipe: Scientific Notation (Site not responding. Last check: 2007-11-04)
		If the decimal is moved to the left, then the exponent will be positive – the number of times the decimal is moved.
		If the decimal is moved to the right, then the exponent will be negative – the number of times the decimal is moved.
		If the "coefficient number" becomes larger after moving the decimal, decrease the exponent by the number of times the decimal is moved.
	www.algebralab.org /studyaids/studyaid.aspx?file=Algebra1_8-4.xml (148 words)

	Decimal - Wikipedia, the free encyclopedia
		A decimal fraction is a fraction where the denominator is a power of ten.
		Decimal fractions are commonly expressed without a denominator, the decimal separator being inserted into the numerator (with leading zeros added if needed), at the position from the right corresponding to the power of ten of the denominator.
		A straightforward decimal system, in which 11 is expressed as ten-one and 23 as two-ten-three, is found in Chinese languages except Wu, and in Vietnamese with a few irregularities.
	en.wikipedia.org /wiki/Decimal (1419 words)

	Random Works of the Web » Blog Archive » Decimal (Site not responding. Last check: 2007-11-04)
		Decimal notation is the writing of numbers in the base-ten numeral system, which uses various symbols (called digits) for ten distinct values (0, 1, 2, 3, 4, 5, 6, 7, 8 and 9) to represent numbers.
		Decimal arithmetic is used in computers so that fractional results can be computed exactly, which is not possible using a binary fractional representation.
		Decimal fractions can be expressed without a denominator, the decimal point being inserted into the numerator (with leading zeros added if needed), at the position from the right corresponding to the power of ten of the denominator.
	random.dragonslife.org /decimal/2277 (1205 words)

	Decimals, Whole Numbers, and Exponents
		Decimal numbers such as 3.762 are used in situations which call for more precision than whole numbers provide.
		The expanded form of a decimal number is the number written as the sum of its whole number and decimal place values.
		To round a number to any decimal place value, we want to find the number with zeros in all of the lower places that is closest in value to the original number.
	www.mathleague.com /help/decwholeexp/decwholeexp.htm (1681 words)

	mat052 (Site not responding. Last check: 2007-11-04)
		If the power of ten is positive, the decimal form of the number (the "normal" system of writing the number) would have the decimal part with the decimal moved the indicated number of spaces to the right.
		To change a number from decimal notation to scientific notation, insert a decimal place so that there is one nonzero digit to the left of it.
		The arithmetic is done on the decimal parts and the rules for exponents are used to determine the power of ten.
	servercc.oakton.edu /~cshapero/online/chap4/sci-not.htm (185 words)

	[No title] (Site not responding. Last check: 2007-11-04)
		In this notation any number is expressed as a number between 1 and 10 multiplied by the appropriate power of 10.
		To convert a number to scientific notation, the decimal point must first be located.
		An interesting fact to note is that multiplying a decimal number by a power of ten is equivalent to moving the decimal point a certain number of spaces to the right (where that number is equal to the power of ten in the multiplier).
	www.educationplus.com /LearningTools/UnitsConverter/scinot.html (427 words)

	Decimal Squares Philosophy and Purpose
		The main purposes of the Decimal Squares program are to provide students with conceptual understanding of decimal notation and operations and to help them become competent in using decimals and performing operations.
		Unlike the lengthy readiness period for whole numbers and their operations, decimal notation and their operations are often taught with little attention to models for understanding decimal concepts.
		While the base ten blocks can be used to illustrate the important concept that the decimal for a quantity depends on the unit, it appears that this model may cause confusion for some students when it is first used to model whole numbers and later used to model decimals.
	www.decimalsquares.com /philosophy_purpose.html (564 words)

	decimal notation - for miracle family of musical tunings
		The notation is based on the fact that the MIRACLE generator produces 10- and 11-tone MOS's in which the 11th tone is audibly quite close to the origin tone.
		Graham's own webpages describe the decimal notation itself, and the decimal lattices which use it.
		Graham's notation uses "v" and "^" as accidentals, in which "the ^ and v symbols denote upward and downward shifts of q".
	tonalsoft.com /enc/d/decimal.aspx (995 words)

	ANSDIT - The letter "B"
		A binary-coded notation in which each of the decimal digits is separately represented by a binary numeral.
		For example, in the binary-coded decimal notation that uses the weights 8-4-2-1, the decimal numeral 23 is represented by 0010 0011 as compared to its representation 10111 in the binary system.
		A notation in which each number n from 0 to 9 is represented by the pair of numerals a,b, where a is 0 or 1, b is 0, 1, 2, 3, or 4 so that the sum of 5a+b is equal to n.
	www.ncits.org /tc_home/k5htm/b1.htm (2299 words)

	Scientific Notation (Site not responding. Last check: 2007-11-04)
		A number in scientific notation is written as the product of a number (integer or decimal) and a power of 10.
		because the decimal point was moved 7 places to the right to form the number 6.5.
		A decimal number smaller than 1 can be converted to scientific notation by decreasing the power of ten by one for each place the decimal point is moved to the right.
	www.aaamath.com /B/g71i_dx1.htm (125 words)

	Chemistry : Chapter 1 : Scientific Measurement (Site not responding. Last check: 2007-11-04)
		Scientific notation is a way to express these values conveniently and the precision to which the values are measured.
		To determine decimal places it would be better to convert the values to decimal notation.
		In the scientific notation of the first value, only the 1s are significant, whereas the second value has significant digits further to the right.
	www.wwnorton.com /chemistry/concepts/chapter1/ch1_3.htm (1540 words)

	Scientific Notation
		You should move the decimal point until there is exactly one nonzero digit to the left of the decimal point, as in the last case of each example given.
		If you are given a number in scientific notation to raise to a power, remember that all this means is that it is used as a factor that many times.
		Do this by moving the decimal point of the coefficient of that number to the left, and adding one to the exponent of that number, until the two exponents are equal.
	www.austincc.edu /jheath/Math/Scinot/scinot.htm (944 words)

	computersmiths - History of Chinese Invention - The Decimal System of Number Representation
		This place holding or place notation was much easier than inventing a new character for each number (imagine having to memorize an enormous number of characters just to read the date!).
		Most historians agree that the development of a decimal place value system of numeration originated from the Indian subcontinent, and that Arabic scholars were responsible for the system.
		The first evidence of decimals in Europe is in a Spanish manuscript of 976 AD by Gerbert, who had studied under Arabic mathematicians.
	www.computersmiths.com /chineseinvention/decimal.htm (553 words)

	Chapter 5.1 Lesson, Math 101 - Fall 1997
		Scientific Notation is used to express decimal numbers in a form such that there is a number with one non-zero digit to the left of the decimal point multiplied by an appropriate power of 10.
		If the exponent is positive, move the decimal point to the right the same number of places as the exponent.
		If the exponent is negative, move the decimal point to the left the same number of places as the absolute value of the exponent.
	www.sci.wsu.edu /~kentler/Fall97_101/Chapter5/section1.html (300 words)

	The Decimal System
		In the decimal system, ten different digits are used to represent numbers with a base of ten.
		This process is not necessarily exact; that is, a decimal fraction with a finite number of digits may require a binary fraction with an infinite number of digits.
		It is used as a concise notation for representing any sequence of binary digits, whether they represent text, numbers, or some other type of data.
	www.excel-tech.com /david/num.htm (834 words)

	Decimal Notation (via CobWeb/3.1 planetlab2.cs.unc.edu) (Site not responding. Last check: 2007-11-04)
		Decimals are a way to express numbers which include some fractions.
		Decimals fractions have denominators (bottom part of fractions) that are multiples of 10.
		To write decimals as fractions, write the whole number followed by the decimal value over the place value of the smallest number.
	www.mtsu.edu.cob-web.org:8888 /~mhiggs/070dir/07031.html (362 words)

	Stevin's Decimal Magic
		Stevin is often referred to as the inventor of the decimal fraction and thus he was important because he brought to common usage our method of adding, subtracting, multiplying, and dividing numbers that contain decimals.
		Stevin may have borrowed from a decimal value notation of Bombelli, who used a half circle with a number to denote a geometric regression of ten from each place value to the right of an integer.
		The Chinese apparently were using decimal place-value notation as early as 1400 B.C. The decimal system was a natural one with man’s anatomically suited digits.
	www.bsu.edu /web/cvjones/AlgBridge/stevin.htm (1045 words)

	Specifying Color in HTML 3.2 (Site not responding. Last check: 2007-11-04)
		In hex notation, there are 16 digits ranging from 0 to F (as opposed to 10 digits ranging from 0 to 9 as in base 10).
		To convert a number from decimal notation to hexadecimal, first divide the number by 16 and jot down the answer.
		The number before the decimal point is the decimal equivalent of the first digit of your hex number.
	www.mjusd.k12.ca.us /training/intro/colors.html (949 words)

	1.5 One's Complement Notation
		A number, such as decimal 84, may be stored in true binary form in a byte as 0101 0100.
		The sign-magnitude representation of +84 in a byte, 0101 0100, is the same as the representation of 84 in true binary form in a byte.
		The corresponding decimal integer is 32 + 16 + 8 + 1 = +57.
	gs.fanshawec.ca /tlc/math270/1_5__one's_complement_notation.htm (1568 words)

	Chemistry 103 Writing Numbers in Exponential Notation
		An easier method of converting a number to exponential notation is to note the direction and number of places you had to move the decimal point to leave just one digit to the left of the decimal point.
		If the decimal moves to the left, the exponent on 10 is equal to the number of places the decimal was moved and has a positive sign.
		If the decimal moves to the right, the exponent on 10 is equal to the number of places the decimal was moved and has a negative sign.
	web.uccs.edu /slc/modules/chem103/exponents.htm (1438 words)

	John Tyler Community College (Site not responding. Last check: 2007-11-04)
		Since decimal notation is built on the idea of powers of 10, and percent notation is based on division by 100, these two notations are very compatible and easy to switch between.
		Identify the decimal in the number in front of the percent sign.
		The reason for moving the decimal 2 places to the left is that you are dividing the number by 100; this operation makes the number smaller, and it does so by 2 decimal places.
	www.jtcc.edu /future/Percents (300 words)

	SparkNotes: Measurements: Scientific Notation
		Until now, we have been writing numbers in "decimal notation." Sometimes, especially with large numbers, we need to convert numbers into scientific notation.
		Observe: the exponent on "10" corresponds to the number of places that the decimal point has moved--it is positive if the decimal point has moved to the left and negative if it has moved to the right.
		One of the trickiest things about scientific notation is remembering the rules for zeros: if a number ends in one or more zeros, do not include the zeros if the number is a whole number, but do include the zeros if the number is a decimal.
	www.sparknotes.com /math/prealgebra/measurements/section1.html (332 words)

	5_7classnotes
		This number written in standard (or decimal) notation is very difficult to work with in calculations, etc.
		If a number in decimal notation is 10 or larger, move the decimal until the given number is between 1 and 10, then multiply by 10 raised to a positive exponent equal to the number of places that the decimal was moved.
		If a number in decimal notation is less than 1, move the decimal until the given number is between 1 and 10, then multiply by 10 raised to a negative exponent equal to the number of places that the decimal was moved.
	mtsu32.mtsu.edu:11237 /5_7classnotes.htm (503 words)

	What are binary, octal, and hexadecimal notation? - Knowledge Base
		In normal decimal (base-10) notation, each digit, moving from right to left, represents an increasing order of magnitude (or power of ten).
		With decimal notation, each succeeding digit's contribution is ten times greater than the previous digit.
		The concept is the same with binary notation, except that each digit is a power of two greater than the preceding digit, rather than a power of ten.
	kb.iu.edu /data/agxz.html (505 words)

	Scientific Notation To Decimal Notation Converter
		To convert 123.456e+5 to a Whole Number and Decimal Number, enter the digits in appropriate boxes.
		The web browser has a "bug" that will return a number in Scientific Notation (e Notation) when it is very large or very small and very long.
		This Scientific Notation To Decimal Notation Converter will fix that problem by allowing you to convert an e Notation number to very long whole number and/or decimal fraction.
	www.easysurf.cc /scintd.htm (140 words)

	College Algebra Tutorial on Scientific Notation
		Since part of a number that is written in scientific notation is 10 raised to a power, when we multiply or divide these types of numbers we need to remember some of our exponent rules.
		Move the decimal point so that you have a number that is between 1 and 10.
		If the decimal point was moved to the left, the count is positive.
	www.wtamu.edu /academic/anns/mps/math/mathlab/col_algebra/col_alg_tut3_scinot.htm (846 words)

	Terra Community College - MTH 140/Session Eight
		This means that when the octal number is written in expanded octal notation, the largest power of eight that is included in the given number 45137 is eight to the fifth power.
		This method leads to the conclusion that the decimal number 45137 is the same as the octal number 130121.
		This means that when the hexadecimal number is written in expanded hexadecimal notation, the largest power of sixteen that is included in the given number 45137 is sixteen to the third power.
	www.terra.edu /academics/distance/mth140/session8.asp (1811 words)

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