While all modern variants of the acre contain 4, 840 square yards, there are alternative definitions of a yard, so the exact size of an acre depends on which yard it is based on.

Without such precautions, most programs may compile only on a certain platform or with a particular compiler, due, for example, to the use of non-standard libraries, such as GUI libraries, or to the reliance on compiler-or platform-specific attributes such as the exact size of certain data types and byte endianness.

Therefore, it works as a neutron reflector and neutron moderator, effectively slowing the neutrons to the thermal energy range of below 0. 03 eV, where the total cross section is at least an order of magnitude lower – exact value strongly depends on the purity and size of the crystallites in the material.

Early computer system documentation would specify the memory size with an exact number such as 4096, 8192, or 16384 words of storage.

In discussions of binary-addressed memories, the exact size was evident from context.

Four-posters are hardly exact astronomical observatories, they should be thought of more as a memento of home for Bronze Age travellers who were ill-equipped to undertake workings on the size of the grand recumbent-stone circles of the soon distant north east.

Despite its small size and relatively short existence, the exact nature of the kingdom and its origins, customs, laws, and population is still debated.

The exact amount of fabric needed depends upon several factors including the size of the sett, the number of pleats put into the garment, and the size of the person.

It is used because it can create extremely small patterns ( down to a few tens of nanometers in size ), it affords exact control over the shape and size of the objects it creates, and because it can create patterns over an entire surface cost-effectively.

A skull crest was present but its exact form and size are still unknown.

The exact position of Rockall and the size and shape of the Rockall Bank was first charted in 1831 by Captain A. T. E.

The size of Richard's army has been estimated at 8, 000, Henry's at 5, 000, but exact numbers cannot be known.

Like most of the country's boundaries with the United Arab Emirates ( UAE ), Oman, and the Republic of Yemen ( formerly two separate countries: the Yemen Arab Republic or North Yemen ; and the People's Democratic Republic of Yemen or South Yemen ) are undefined, so the exact size of the country remains unknown.

Jerrum, Valiant, and Vazirani showed that every # P-complete problem either has an FPRAS, or is essentially impossible to approximate ; if there is any polynomial-time algorithm which consistently produces an approximation of a # P-complete problem which is within a polynomial ratio in the size of the input of the exact answer, then that algorithm can be used to construct an FPRAS.

Since clause 3 provides that Members of the House of Representatives are apportioned state-by-state and that each state is guaranteed at least one Representative, exact population equality between all districts is not guaranteed and, in fact, is currently impossible, because while the size of the House of Representatives is fixed at 435, several states had less than 1 / 435 of the national population at the time of the last reapportionment in 2000.

The country's exact size is unknown because of disputed claims to several islands in the Persian Gulf, because of the lack of precise information on the size of many of these islands, and because most of its land boundaries, especially with Saudi Arabia, remain undemarcated.

These relationships are certainly not exact because the size of an atom is not constant but depends on its chemical environment.

The size of the grid ( most commonly 8 × 8, 10 × 10, or 12 × 12 ) varies from board to board, as does the exact arrangement of the snakes and ladders, with both factors affecting the duration of play.

Understandably these aspects are more significant when they are exact, but they are considered to function within an orb of influence, the size of which varies according to the importance of each aspect.

Embedded software can be tightly tuned to an exact CPU and memory size.

By contrast, non-digital ( or analog ) systems use a continuous range of values to represent information and in these systems the exact informational size of 1 Bd varies.

There is every reason to recognize that in the very last years of his life, as we shall see, Thompson did take the drug in carefully rationed doses to ease the pains of his illness, but the exact date at which this began has never been determined.

On most drill presses, it is impossible to get the exact speed, but you can come close by adjusting the drive belt on the step-cone pulleys.

The collective by which I address you in the title above is neither patronizing nor jocose but an exact industrial term in use among professional thieves.

In free-burning electric arcs, for instance, approximately 90% of the total arc power is transferred to the anode giving rise to local heat fluxes in excess of Af as measured by the authors -- the exact value depending on the arc atmosphere.

If work is substituted for things ( with more exact contribution to meaning ), it will have dominant stress.

Authorities hesitate to quote exact figures, however, believing that any sum they come up with is only a surface manifestation -- turned up by their inevitably limited policing -- of the real loot of the medical racketeer.

A difference of opinion arose between Mr. Martinelli and John P. Bourcier, town solicitor, over the exact manner in which the vote is handled.

This is an exact description of what Mr. Sansom does.

The exact number and placement of Endosymbiotic theory | endosymbiotic events is currently unknown, so this diagram can be taken only as a general guide It represents the most parsimonious way of explaining the three types of endosymbiotic origins of plastids.

In New Jersey, for example, the Administrative Office of the Court has promulgated a form of notice of appeal for use by appellants, though using this exact form is not mandatory and the failure to use it is not a jurisdictional defect provided that all pertinent information is set forth in whatever form of notice of appeal is used.

: " It is true that I can speak the exact, the idiomatic English.

It is instrumental for keeping time, in that UTC is basically the atomic time synchronized to Earth's rotation by means of exact observations.

At the exact midpoint between the two pKa values, the trace amount of net negative and trace of net positive ions exactly balance, so that average net charge of all forms present is zero.

This is known through the writings of John of Salisbury, who is thought to have been a near exact contemporary student of Alan of Lille.

The exact number and extent of these pagi is unclear and probably changed over time.

Most of those who identify themselves as Ainu still live in this same region, though the exact number of living Ainu is unknown.

His exact birth site is unclear because he was born about the time his mother was making a difficult trip home from burying Jackson's father.

" Biographer Trefousse indicates that Johnson's drinking on the occasion was the result of ill health which began before his arrival in Washington, though the exact nature of the ailment is not specified.

In addition to being married to Jochebed, Amram is also described in the Bible as having been related to Jochebed prior to the marriage, although the exact relationship is uncertain ; some Greek and Latin manuscripts of the Septuagint state that Jochebed was Amram's father's cousin, and others state that Amram was Jochebed's cousin, but the Masoretic text states that he was Jochebed's nephew.

The exact date of composition for both of these works is unknown.

The European tradition, which has long included giving money and other gifts to those who were needy and in service positions, has been dated to the Middle Ages, but the exact origin is unknown.

The feigned retreat, next to unknown in Western Europe at that time — it was a traditionally eastern tactic — required both extraordinary discipline on the part of the troops and exact timing on the part of their commander.

The exact derivation of the term is unknown, but it has been thought that in early Canadian football, the scoring of a single was signalled with a red flag.

By the eighteenth century, Chianti was widely recognized as a red wine, but the exact composition and grape varieties used to make Chianti at this point is unknown.

The exact origins of the dachshund are therefore unknown.

The exact origin or the manufacturing process of bulat is unknown, but it was likely imported to Russia via Persia, and it was similar and possibly the same as damascus steel.

The exact location within the cemetery of his remains is unknown.

A few members of ethnicities of other Axis countries were interned, but exact numbers are unknown.

Évariste Galois was buried in a common grave and the exact location is still unknown.

On 2 June, Évariste Galois was buried in a common grave of the Montparnasse cemetery whose exact location is unknown.

The exact meaning of his name is uncertain: the common translation is " Lord of the Earth ": the Sumerian en is translated as a title equivalent to " lord "; it was originally a title given to the High Priest ; ki means " earth "; but there are theories that ki in this name has another origin, possibly kig of unknown meaning, or kur meaning " mound ".

Another research indicates there is a strong link between essential tremor in males and the amount of meat consumed, but the exact mechanism is yet unknown.

Sleep is believed to play a key role in halting trace decay, although the exact mechanism of this is unknown.

The exact date of Douglass ' birth is unknown.

The exact year is also unknown ( on the first page of Narrative of the Life of Frederick Douglass, an American Slave, he stated: " I have no accurate knowledge of my age, never having seen any authentic record containing it.

Hatchlings were gray and downy, but their exact appearance is unknown, since no skins exist today.

There is also some rock and gas but various proportions of ice / rock / gas could mimic pure ice so the exact proportions are unknown.

The exact day and year of his birth are unknown ; he is believed to have been born into slavery in Missouri in January 1864.

Much of the post-Roman development of St Albans was in memorial to Saint Alban, the earliest known British Christian martyr, executed in AD 250 ( the exact date is unknown, with scholars suggesting dates of 209, 254 and 304 ).

Herat dates back to ancient times, but its exact age remains unknown.

Traditional grave of Calvin in the Cimetière des Rois | Cimetière de Plainpalais in Geneva ; the exact location of his grave is unknown.