alphanumeric pager - definição. O que é alphanumeric pager. Significado, conceito
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O que (quem) é alphanumeric pager - definição

UNICODE BLOCK (U+1D400-1D7FF)
Mathematical Alphanumeric Symbols Unicode block; Mathematical alphanumeric symbols Unicode block; Mathematical alphanumeric symbols; Mathematical Alphanumeric Symbols (Unicode block); Math Alphanum; 𝒹; Mathematical Alphanumeric Symbols block; 𝒞; 𝒮

Antal Páger (canoeist)         
HUNGARIAN SPRINT CANOER
Antal Pager (canoer); Antal Páger (canoer); Antal Pager (canoeist)
Zoltán Páger is a Hungarian sprint canoer who competed in the mid-1990s. He won a gold medal in the K-4 200 m event at the 1995 ICF Canoe Sprint World Championships in Duisburg.
pager         
  • Four historical Japanese pagers.
  • Original Motorola "Pageboy II" pager, used in New York in the late 1970s.
  • The top of a Motorola "Bravo" numeric pager
  • An NEC pager branded by Deutsche Telekom for the Skyper pager service
  • Timex Datalink Beepwear Pro: a wearable pager/watch featuring alphanumeric paging capability. Part of the [[Timex Datalink]] family of watches
MONITORING SYSTEM FOR EARTHQUAKES OPERATED BY THE US GEOLOGICAL SURVEY
Paging (telecommunications); Pagers; Alphanumeric paging; Radio paging; Radio paging systems; Paging system; Two-way pager; 📟; Pocket Bell
1. <hardware, communications> (Or "beeper", "bleeper" (UK?)) A small wireless receiver that, when triggered (generally via phone), will beep or vibrate (un)pleasantly. The wearer will have been trained to respond to this signal by looking at a small screen on the device for an unimportant message. In recent years, pagers have grown more complex, allowing for long alphanumeric messages to be received and scrolled though (as opposed to earlier models, which supported only short numeric messages); at the same time as pager functions are integrated into some PDAs. If this trend continues, the distinction between PDAs and high-end pagers will disappear. Short Message Service allows a mobile phone to display a message, just like an alphanumeric pager. 2. <tool> A program for viewing a text file a screenful at a time via a text terminal, as opposed to scrolling through it in a GUI window, or catting it all at once to the terminal. The best known pagers are more, less, pg and list.com. (1997-09-11)
Pager         
  • Four historical Japanese pagers.
  • Original Motorola "Pageboy II" pager, used in New York in the late 1970s.
  • The top of a Motorola "Bravo" numeric pager
  • An NEC pager branded by Deutsche Telekom for the Skyper pager service
  • Timex Datalink Beepwear Pro: a wearable pager/watch featuring alphanumeric paging capability. Part of the [[Timex Datalink]] family of watches
MONITORING SYSTEM FOR EARTHQUAKES OPERATED BY THE US GEOLOGICAL SURVEY
Paging (telecommunications); Pagers; Alphanumeric paging; Radio paging; Radio paging systems; Paging system; Two-way pager; 📟; Pocket Bell

A pager (also known as a beeper or bleeper) is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to and originate messages using an internal transmitter.

Pagers operate as part of a paging system which includes one or more fixed transmitters (or in the case of response pagers and two-way pagers, one or more base stations), as well as a number of pagers carried by mobile users. These systems can range from a restaurant system with a single low power transmitter, to a nationwide system with thousands of high-power base stations.

Pagers were developed in the 1950s and 1960s, and became widely used by the 1980s. In the 21st century, the widespread availability of cellphones and smartphones has greatly diminished the pager industry. Nevertheless, pagers continue to be used by some emergency services and public safety personnel, because modern pager systems' coverage overlap, combined with use of satellite communications, can make paging systems more reliable than terrestrial based cellular networks in some cases, including during natural and man-made disasters. This resilience has led public safety agencies to adopt pagers over cellular and other commercial services for critical messaging.

In Japanese, it was commonly called a pocket bell (ポケットベル, poketto beru) or pokeberu (ポケベル), which is an example of wasei-eigo.

Wikipédia

Mathematical Alphanumeric Symbols

Mathematical Alphanumeric Symbols is a Unicode block comprising styled forms of Latin and Greek letters and decimal digits that enable mathematicians to denote different notions with different letter styles. The letters in various fonts often have specific, fixed meanings in particular areas of mathematics. By providing uniformity over numerous mathematical articles and books, these conventions help to read mathematical formulas. These also may be used to differentiate between concepts that share a letter in a single problem.

Unicode now includes many such symbols (in the range U+1D400–U+1D7FF). The rationale behind this is that it enables design and usage of special mathematical characters (fonts) that include all necessary properties to differentiate from other alphanumerics, e.g. in mathematics an italic "𝐴" can have a different meaning from a roman letter "A". Unicode originally included a limited set of such letter forms in its Letterlike Symbols block before completing the set of Latin and Greek letter forms in this block beginning in version 3.1.

Unicode expressly recommends that these characters not be used in general text as a substitute for presentational markup; the letters are specifically designed to be semantically different from each other. Unicode does not include a set of normal serif letters in the set. Still they have found some usage on social media, for example by people who want a stylized user name, and in email spam, in an attempt to bypass filters.

All these letter shapes may be manipulated with MathML's attribute mathvariant.

The introduction date of some of the more commonly used symbols can be found in the Table of mathematical symbols by introduction date.