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Topic: Mantissa


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In the News (Thu 25 Apr 19)

  
  Mantissa - Wikipedia, the free encyclopedia
Mantissa is also a novel by John Fowles.
Mantissa is the name of a loose collection of ships which initially formed the base of the Yuhl/Goehl species/civilization in the Orphans of Earth Trilogy by Shawn Williams and Shane Dix.
Mantissa is also the name of an Australian band of the early nineties (formerly known as Killing Time).
en.wikipedia.org /wiki/Mantissa   (231 words)

  
 Floating point computing device for simplifying procedures accompanying addition or subtraction by detecting whether ...
The mantissa computing section is capable of executing the postprocessing of a mantissa and the rounding operation at the same time, thereby omitting the postprocessing of a mantissa.
The four bits of the zeroth digit of the mantissa register 410 are connected to the input terminals of a NOR gate 710.
This function is used in the event of addition or subtraction of the mantissa M. A second function is to add the rounding constant indicated by the signal on the signal line 106-3 to the content of the first mantissa register 410.
www.freepatentsonline.com /5469377.html   (9779 words)

  
 Halfbakery: No mantissa floating numbers   (Site not responding. Last check: 2007-10-07)
The mantissa gives a certain number of the most significant bits of the number, and the exponent is the number of places to shift the binimal place by (left or right)
Mantissa free numbers don't have this problem, thus I propose that for a given amount of bits and number range they can represent numbers more precisely.
A lot of DSP modules use fractional mantissa (no exponent) representations in their computations to improve speed and to simplify hardware (at the cost of reduced numeric range and prescision).
www.halfbakery.com /idea/No_20mantissa_20floating_20numbers   (1373 words)

  
 Floating-point arithmetic   (Site not responding. Last check: 2007-10-07)
The most significant mantissa bit is predictable, and is therefore not included, because the exponent of floating-point numbers in the JVM indicates whether or not the number is normalized.
An exponent of all zeros indicates the mantissa is denormalized, which means the unstated leading bit is a zero instead of a one.
This means that normalized mantissas multiplied by two raised to the power of -125 have an exponent field of 00000001, while denormalized mantissas multiplied by two raised to the power of -125 have an exponent field of 00000000.
www.ece.utexas.edu /~sfehr/lectures/15.MULTDIV/15.FPArith-IEEE.htm   (1467 words)

  
 About Mantissa
Headquartered in Charlotte, North Carolina, Mantissa Corporation was started in 1972 as a material handling installation and repair company.
Today, Mantissa Corporation is a systems integrator of custom designed material handling systems for a broad spectrum of industries and products in diverse locations.
Specializing in high-speed tilt-tray sortation, Mantissa is recognized as one of the leading providers of tilt-tray innovation and technology in the market today.
www.mantissacorporation.com /Pages/about.htm   (312 words)

  
 Cyborg or goddess: Postmodernism and its others in John Fowles's Mantissa College Literature - Find Articles   (Site not responding. Last check: 2007-10-07)
This is in many respects a description that is strikingly applicable to the muse-figure in Mantissa, and yet, contrary to the traditional image of muse as nurturing of and responsive to the creative demands of the male artist, the cyborg is envisaged by Haraway as "the self feminists must code" (205).
Another is that of the Cartesian concept of subjectivity which, in Mantissa, is aligned with realism, liberal humanism, and the masculinist mind of Miles Green, and set in opposition to postmodernism, poststructuralism, and the feminine body of Erato.
The introductory epigraph to Mantissa comprises a quotation from Descartes: "I knew that I was a being whose whole essence or nature is confined to thinking, and which has no need of a place, nor depends on any material thing, in order to exist" (Fowles 1982, 5).
www.findarticles.com /p/articles/mi_qa3709/is_200307/ai_n9256302   (954 words)

  
 #1 Site For Learning Mathematics
Mantissa of x has to be read from the log tables.
For determining the mantissa, a particular row has to be read off and the mean difference has to be added from the table.
Mantissa usually consist of a four digit number, and it comes after the decimal point.
home.att.net /~cat5a/logarithms-II.htm   (677 words)

  
 22C:18, Lecture 18, Fall 1996
The mantissa of this number is 6.02, and this mantissa is normalized so that it has one place ahead of the point (an alternate way to state the normalization rule is that the value of the mantissa, m, satisfies the rule 10.0 > m >= 1.0).
In the place-value system, the sign bit of the mantissa is the -1's place, and while the next bit to the right is the 1/2's place, the bit to the right of that is the 1/4'ths place, and so on.
The mantissa field in floating point numbers is frequently stored as a signed magnitude binary fraction, although it seems that every possible representation of the sign has been used at one time or another by some computer somewhere.
www.cs.uiowa.edu /~jones/assem/fall96/notes/18.html   (2129 words)

  
 Reduction of add-pipe logic by operand offset shift - Patent 7043516
Each of shift-point detector 72's outputs is a vector that includes, for each mantissa position, a bit that indicates whether corresponding operand bits fit a pattern that could produce the most-significant one bit, or at least the zero bit to the immediate left of the most-significant one bit.
9 circuit distinguishes between a "trigger," where the larger mantissa is a one and the smaller is a zero, and an apparent borrow, where the larger mantissa is a zero and the smaller is a one.
If mantissa B in that example had been exactly 3.5 before truncation, so that the exact sum would have been 30.5 and thus equidistant between 30 and 31, then the round-to-nearest-even approach would round to 30 (the "nearest even") rather than 31, as the illustrated approach would.
www.freepatentsonline.com /7043516.html   (7707 words)

  
 Dyadic (mantissa, exponent) `normalisation'   (Site not responding. Last check: 2007-10-07)
It is possible, however, that a mantissa representing a very small value which could be `normalised' is ignored because one of the early digits are small but non-zero.
The second approach is to add the first digit of the mantissa stream with half the second.
If the absolute value of this sum is less than or equal to a half, the first two digits of the mantissa may be replaced by the digit representing twice this sum and the exponent decremented.
www.dcs.ed.ac.uk /home/mhe/plume/node63.html   (131 words)

  
 Home
Mantissa Technologies is an emerging software consultancy based in Pune providing end-to-end business solutions to its reputed clients and consultants.
Established in June 2003, Mantissa Technologies has fast emerged to earn the reputation of a quality service provider with a strong understanding of its clients’ business needs.
Mantissa Technologies has survived all odds in the past 2 years.
www.mantissatechnologies.com   (304 words)

  
 Bryn Mawr Classical Review 2004.07.67   (Site not responding. Last check: 2007-10-07)
Of all the parts of the Mantissa, the one which historically had the most influence and received the most consideration is the second chapter, On the Intellect.
The middle part of the Mantissa, chapters 9 to 16, forms a sequence relating to the theory of vision.
Some parts of the Mantissa are certainly weak and many arguments are shallow, but we must admit that Alexander can show different degrees of acuteness in his argumentation and some variations in depth of analysis.
ccat.sas.upenn.edu /bmcr/2004/2004-07-67.html   (1238 words)

  
 Floating Point Datatypes in ASE - Sybase Inc
The mantissa is a binary representation of the number, each bit representing a power of two.
The exponent is a power of two that multiplies (or shifts) the mantissa to represent larger or smaller values.
After the mantissa bits needed to represent the whole number part of the number have been used, the fractional part of the number is represented with the remaining bits (if any), which have values of negative powers of two.
www.sybase.com /detail?id=1024518   (1395 words)

  
 The Australian Metal Guide -- Mantissa
Mantissa was originally known as Killing Time and featured Jed Starr on guitar and Tubby Wadsworth on drums.
The name change to Mantissa came in August of 1992, after Starr left the group and shortly before the release of the exceptional Mossy God album that was produced by Terry Date.
Mantissa toured and worked in the US from the end of 1993 before returning to Australia to tour with Pantera and then with the Big Day Out.
www.geocities.com /goreripper/m/mantissa.htm   (182 words)

  
 Mantissa Corporation Ltd
Mantissa Corporation Ltd is a leading supplier of micronutrients, pesticides, adjuvants and plant growth stimulants.
Mantissa Corporation's products will continue to be distributed through selected retail outlets and, as before, these products are backed by high quality nutritional advice.
Mantissa will continue to exclusively market the popular Headland range in New Zealand and will add other complementary products to its stable, giving the company the ability to offer a comprehensive range of plant health products, including micronutrients, plant stress compounds, adjuvants, growth stimulants, pesticides and phyto sanitary products.
www.mantissa.co.nz   (192 words)

  
 Supplemental Notes   (Site not responding. Last check: 2007-10-07)
The mantissa is 23 bits long with a hidden bit at the beginning.
are represented by having an exponent of all ones and a mantissa of zero.
NaNs are represented by having an exponent of all ones and a mantissa of non-zero.
www.missouri.edu /~en126www/suppnotes/suppnotes4.htm   (836 words)

  
 IEEE floating point representation - GameDev.Net Discussion Forums   (Site not responding. Last check: 2007-10-07)
The only thing that then still baffles me is the mantissa part, since I have been led to believe that this is always a positive number and thus isn't formed according to the two's complement rule.
We'll let the mantissa have up to 5 significant figures of precision (that's 1 in front of the decimal point and 4 after), and have an exponent in the range -99..99.
The key to this is realizing that the mantissa has to be between 1 and 2, and the exponent represents a power of 2 by which the mantissa is multiplied.
www.gamedev.net /community/forums/topic.asp?topic_id=420870   (1105 words)

  
 Legal
The information you provide to Mantissa is confidential and protected to the fullest extent possible.
Mantissa will not disclose or distribute customer information to third parties without prior written consent by the customer.
Mantissa may from time to time modify or revise the Terms by updating this Web page.
www.xs4all.nl /~mantissa/html/legal.html   (293 words)

  
 Floating Point (Mantissa and Exponent)
m is the mantissa size (the number of digits in the mantissa).
1 is always included in the mantissa, and 10 never is. minexp is the minimum exponent and maxexp is the maximum exponent.
When you push the 'recalculate' button, the possible mantissas and floats are recalculated, and the floats are plotted.
www.cs.utah.edu /~zachary/isp/applets/FP/applet.html   (1073 words)

  
 Lecture 3: Real numbers, Floating Point Arithmetic and Logic Operations
The leading 1 is inserted at the front of the 23-bit fractional mantissa, which results in a 24-bit mantissa, and then the mantissa is extended to 32 bits.
Before storage, the mantissa is normalized so that it always lies in the range from 1.000...000 to 1.111...111, and the leading 1 is not stored because it is understood.
mantissa of the smaller number by the same factor by which its exponent was increased, in order to preserve the actual value of the number.
www.cs.mcgill.ca /~cs573/fall2002/notes/lec273/lecture3/index.htm   (4549 words)

  
 Mantissa
Mantissa develops ideas and software for the realization of performances involving real-time interactive media.
In the past, Mantissa has collaborated with a variety of different groups, including theatre companies, musicians and dance companies.
Mantissa has performed in a number of online streaming media festivals, where sound and video have been sent via the internet to a number of remote destinations.
www.mantissa.ca /performance.html   (318 words)

  
 Mantissa (Mathematical Algorithms for Numerical Tasks In Space System Applications)
Mantissa is a collection of various mathematical tools aimed towards for simulation.
Mantissa is devoted to be a general purpose library, however, its most popular feature is an extensive package for Ordinary Differential Equations integration.
Mantissa also provides a special-purpose step handler that is able to store all steps and to provide transparent access to any intermediate result once the integration is over.
www.spaceroots.org /software/mantissa   (557 words)

  
 Significand - Wikipedia, the free encyclopedia
Depending on the interpretation of the exponent, the significand may be considered to be an integer or a fraction.
However, this use of mantissa is discouraged by the IEEE floating-point standard committee and by some professionals such as William Kahan and Donald Knuth, because it conflicts with the pre-existing usage of mantissa for the fractional part of a logarithm (see also common logarithm).
The older meaning of mantissa is related to the IEEE's significand in that the fractional part of a logarithm is the logarithm of the significand for the same base, plus a constant depending on the normalization.
en.wikipedia.org /wiki/Significand   (478 words)

  
 mantissa.com
Unlike other identity protection systems, iDovos actually prevents the occurrence of identity theft and transaction fraud by preventing use of your identity for new credit, account access and card use.
Today Mantissa is crafting systems which will serve any type of content from the System/390 environment.
Mantissa Corporation © 1980 - 2004 • Two Perimeter Park South • Birmingham, AL 35243-3274.
www.mantissa.com   (289 words)

  
 Mantissa Consulting
Healthinc P/L has purchased the OCCAM RIS software from Mantissa Consulting, to strengthen their product range and to expand into the growing Radiology Information Systems market.
Mantissa Consulting has been providing computer software services to the medical profession since 1985.
Mantissa will continue to provide IT consulting services for Hospital Information Systems and the support of legacy medical software.
www.mantissaconsulting.com.au /index.html   (100 words)

  
 [No title]
The Mantissa It is useful to consider the way decimal floating-point numbers represent their mantissa.
Using -3.154 x 105 as an example, the sign is negative, the mantissa is 3.154, and the exponent is 5.
The fractional portion of the mantissa is the sum of each digit multiplied by a power of 10:    .154 =  1/10 + 5/100 + 4/1000 A binary floating-point number is similar.
faculty.tamu-commerce.edu /ctseng/IEEEshortformattutorial.doc   (1066 words)

  
 Representing Floating Point Numbers
Eight digits are used to represent a floating point number : two for the exponent and six for the mantissa.
The sign of the mantissa will be represented as + or -, but in the computer it is represented by a bit: 1 means negative, 0 means positive.
However, since the leading bit in the mantissa is never stored, then there are actually 24 bits for the mantissa.
www.cs.fiu.edu /~downeyt/cop3402/float.htm   (725 words)

  
 Floating Point examples and problems
We create the 23-bit mantissa field by adding 0s to the right end of the mantissa until it has 24 digits, then dropping the 1 in front of the decimal point.
The mantissa field always has 23 bits, and the exponent field has 8 bits.
I call the bit patterns the exponent field and the mantissa field, and I call the actual exponent, and the actual mantissa, two mathematical numbers, without the bias added or 1 stripped off, the exponent and mantissa.
www.clarkson.edu /class/cs241/assignments/floating_point.html   (481 words)

  
 Components of logarithms
up a number, the mantissa of a common logarithm is always the same regardless of the
Another way to show the negative characteristic is to place it after the mantissa.
The mantissa is the decimal part of a logarithm.
www.tpub.com /math1/9b.htm   (667 words)

  
 22C:60 Notes, Chapter 10
Binary floating-point number systems are generally structured identically, with an exponent expressed in binary and a mantissa expressed in binary, but the normalization rules that are used vary considerably, as do the choices for representation of the sign of the exponent and mantissa.
Where the normalize routine shifted the mantissa left and decremented the exponent until the number was normalized, the floating to integer conversion routine will have to shift the mantissa right and increment the exponent until the exponent has the value 31.
An exponent of zero is reserved for a mantissa of zero or for unnormalized (extraordinarily small) values, while an exponent of all ones is reserved for infinity (with a mantissa of zero) and for values that the IEEE calls NaNs, where NaN stands for not a number.
www.cs.uiowa.edu /~jones/assem/summer05/notes/10object.shtml   (7581 words)

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