The conventional symbol " Z " comes from the German word meaning number / numeral / figure, which, prior to the modern synthesis of ideas from chemistry and physics, merely denoted an element's numerical place in the periodic table, whose order is approximately, but not completely, consistent with the order of the elements by atomic weights.
12.
The symbols used for particular phonemes are often taken from the International Phonetic Alphabet ( IPA ), the same set of symbols that are most commonly used for phones . ( For computer typing purposes, systems such as X-SAMPA and Kirshenbaum exist to represent IPA symbols in plain text . ) However, descriptions of particular languages may use different conventional symbols to represent the phonemes of those languages.
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The character set also included the conventional symbols for multiplication and division, & times; and ? but in a more radical departure from the conventions established by FORTRAN, it allowed implicit multiplication, so the expressions ( 4 + 7 ) ( 3 + 6 ) and 3.4 + 5 ( 2 3-3 ) / 2 were valid, with the values 99 and 15.9, respectively ( op cit ).
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:The terms " visual poetry " and " calligram " had not yet been coined, and de Zayas later referred to the typographically designed writing in " 291 " as " Psychotypes ", which he defined as " art which consists in making the typographical characters participate in the expression of the thoughts and in the painting of the state of the soul, no more a conventional symbols but as signs having significance in themselves . " De Zayas is reported to have taken both the term and its definition from an earlier work by Am�d�e Ozenfant.
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His image, taken from " Ezekiel " 1, or Revelation 4 : 6 10, of God's throne borne by four creatures with four faces " the four had the face of a man, and the face of a lion, on the right side : and the four had the face of an ox on the left side; the four also had the face of an eagle " equivalent to the " four-formed " gospel, is the origin of the conventional symbols of the Evangelists : lion, bull, eagle, man.
