Calculator spelling

Calculator spelling is an unintended characteristic of the seven-segments display traditionally used by calculators, in which, when read upside-down, the digits resemble letters of the Latin alphabet. Each digit may be mapped to one or more letters, creating a limited but functional subset of the alphabet, sometimes referred to as beghilos (or beghilosz).[1][2].

Applications

Aside from novelty and amusement, calculator spelling has limited utility. The popularity of pagers in the 1990s gave rise to a form of leetspeak called pagerspeak.[3] Students, in particular, experimented with calculators to discover new words.

English

The 'original' attributed example of calculator spelling, which dates from the 1970s,[4] is 5318008, which when turned over spells "BOOBIES". Another early example of calculator spelling offered the sequence 0.7734, which becomes "hELLO".[5] Other words possible with the traditional "BEghILOSZ" set include "LOOSE", "ShELL", "BEIgE", "gOBBLE", "gOOgLE", and many others. Among the longest are "hILLBILLIES" and "SLEIghBELLS" at 11, and "gLOSSOLOgIES" and "BIBLIOLOgIES" at 12 letters. Another common case, 7734206, spells "gO 2 hELL". 8008 is special in that it can spell "BOOB" upside-down or right-side up. 71077345 spells "SHELLOIL".

Scientific and programmer calculators

Scientific calculators that feature hexadecimal readout using the letters A through F offer more flexibility. Using a scientific calculator with hex capability, the earlier "5318008" example can be improved with the A–F keys to spell "B00B1E5", without needing to rotate the display (a practice known as hexspeak).

Students often use this capability and the improved "alpha" feature that use the letters "A" through "Z" to write messages, separating words by using the minus sign ("-") or other punctuation. In the "B00B1E5" example above, for instance, a factorial product sign ("!") can be added to create "B00B1E5!" Most of these calculators do not use seven-segment displays, instead using dot matrix displays for greater versatility.

Digital manometer error code
gollark: It also supports negative times e.g.
gollark: ABR reminders can go up as far as the python date library allows, which is 9999.
gollark: ?remind 7979y bee
gollark: ?remind 7978y bee
gollark: Or the year 9999.

See also

References
  1. Quinion, Michael (2009-08-08). "World Wide Words: Beghilos". Retrieved 2017-07-06.
  2. QYV (1994-09-11). "Was Re: Mech postings.. Design: 2750". Google Groups. Newsgroup: rec.games.mecha. Usenet: JACQUES.4.2E735F23@PHYSICS.watstar.uwaterloo.ca. Retrieved 2017-07-06.
  3. Pager Language | Teens Create Language of Pager-Speak - Los Angeles Times
  4. The New Partridge Dictionary of Slang and Unconventional English (2006), Eric Partridge, Tom Dalzell, Terry Victor, pp. 2160
  5. "Words that can be written on a calculator". Everything2. Everything Development Co. 2000-03-13.

Further reading
  • Heinrich Hemme: Die Hölle der Zahlen - 92 mathematische Rätsel mit ausführlichen Lösungen, page 19/73 (German)
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