Early number systems that included positional notation were not decimal, including the sexagesimal ( base 60 ) system for Babylonian numerals and the vigesimal ( base 20 ) system that defined Maya numerals

Early in his career his professional areas of interest lay in the simulation of strategies in collective action dilemmas, simulation of party behavior in proportional voting systems, and the use of surveys in public administration.

Early microcomputer bus systems were essentially a passive backplane connected directly or through buffer amplifiers to the pins of the CPU.

( Early systems allowed " oblique " axes, that is, axes that did not meet at right angles.

Early wet cells powered the first telegraph and telephone systems, and were the source of current for electroplating.

Early systems could not support one, since programs were prepared using flowcharts, entering programs with punched cards ( or paper tape, etc.

During the 80's the Airborne Early Warning / Ground Environment Integration Segment ( AEGIS ) upgraded the original NADGE systems with the possibility to integrate the AWACS ( the E-3 Sentry built by Boeing ) information into its visual displays.

Early mages cultivated their magical beliefs alone or in small groups, generally conforming to and influencing the belief systems of their societies.

Both systems have been compared with the concept of tanistry found in Early Irish Law, although the political reality appears to have been more complex.

Early PDP-8 systems did not have an operating system, just a front panel and run and halt switches.

Early PLCs were designed to replace relay logic systems.

Early systems emphasized predictable outcomes of an industrial product production line, using simple statistics and random sampling.

Early radars used very long wavelengths that were larger than the targets and thus received a vague signal, whereas some modern systems use shorter wavelengths ( a few centimeters or less ) that can image objects as small as a loaf of bread.

Early systems tended to use omnidirectional broadcast antennas, with directional receiver antennas which were pointed in various directions.

Early video game systems such as the Atari 2600 and Cinematronics vector graphics had hard real-time requirements because of the nature of the graphics and timing hardware.

Early 16th-century Franco-Flemings moved away from the complex systems of canonic and other mensural play of Ockeghem's generation, tending toward points of imitation and duet or trio sections within an overall texture that grew to five and six voices.

( Early systems had used synchronous codes, but were hard to synchronize mechanically ).

Early ALE systems were developed in the late 1970s and early 1980s by several radio manufacturers.

Early Soviet missile and space telemetry systems which were developed in the late 1940s used either pulse-position modulation ( e. g., the Tral telemetry system developed by OKB-MEI ) or pulse-duration modulation ( e. g., the RTS-5 system developed by NII-885 ).

Early compilers for ALGOL, Fortran, Cobol and some Forth systems often produced subroutine-threaded code.

Early operating systems were very diverse, with each vendor or customer producing one or more operating systems specific to their particular mainframe computer.

Early systems had utilized microprogramming to implement features on their systems in order to permit different underlying architecture to appear to be the same as others in a series.

Early examples of attempts to capture the phenomenon of motion drawing can be found in paleolithic cave paintings, where animals are depicted with multiple legs in superimposed positions, clearly attempting to convey the perception of motion.

There are large gaps in the fossil record but the discovery of a proto-frog from the Early Permian in Texas in 2008 provided a missing link with many of the characteristics of modern frogs.

Although the fossils of several older proto-frogs with primitive characteristics are known, the oldest " true frog " is Prosalirus bitis, from the Early Jurassic Kayenta Formation of Arizona.

Early experiments are often designed to provide mean-unbiased estimates of treatment effects and of experimental error.

Early human settlements are believed to have been established on Achill around 3000 BC.

Ideas and tenets of Zoroastrian schools of Early Persian philosophy are part of many works written in Middle Persian and of the extant scriptures of the zoroastrian religion in Avestan language.

At the coastal side of the city there are indications of an Early Christian basilica with mosaic floors decorated with semi-precious stones.

Early uses of the term are in Erik Mueller's 1987 Ph. D. dissertation and in Eric Raymond's 1991 Jargon File.

Early board games represented a battle between two armies, and most current board games are still based on defeating opposing players in terms of counters, winning position or accrual of points ( often expressed as in-game currency ).

Early fossils are mainly of erect forms, but encrusting forms gradually became dominant.

" Early episodes with the controversial content intact are rare, and are traded on homemade video recordings made from the original broadcasts.

Early sources are not clear but various groups of Christian communities would have had a group of college or presbyter-overseers functioning as leaders of the local churches.

Early understanding of the functioning of balance of trade informed the economic policies of Early Modern Europe that are grouped under the heading mercantilism.

All of the earliest chordate fossils have been found in the Early Cambrian Chengjiang fauna, and include two species that are regarded as fish, which implies they are vertebrates.

Early markings from this period found on pottery and shells are thought to be ancestral to modern Chinese characters.

The Cantigas are frequently recorded and performed by Early Music groups, and quite a few CDs featuring music from the Cantigas are available.

The Apostolic Canons or Ecclesiastical Canons of the Same Holy Apostles is a collection of ancient ecclesiastical decrees ( eighty-five in the Eastern, fifty in the Western Church ) concerning the government and discipline of the Early Christian Church, incorporated with the Apostolic Constitutions which are part of the Ante-Nicene Fathers

On TV shows based in Chicago such as The Bob Newhart Show, Married ... with Children, Family Matters, Still Standing, According to Jim, Early Edition and The Bernie Mac Show, the main characters are all Bears fans, and have worn Bears ' jerseys and t-shirts on some occasions.

* Early works in the timeline include neologisms which are not explained to any great extent, but serve to produce an atmosphere of strangeness.

However, despite earlier concepts of a strict Early Historic evolution, Irish excavations are increasingly uncovering examples which date to the ' missing ' Iron Age in Ireland.

The term dagger is coined in this time, as are the Early Modern German equivalents dolch ( tolch ) and degen ( tegen ).