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                                       <yas @ cs.tsukuba.ac.jp>

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virtual (adjective)

almost or nearly as described, but not completely or according to strict definition : the virtual absence of border controls.

Computing not physically existing as such but made by software to appear to do so : a virtual computer. See also virtual reality .
Optics relating to the points at which rays would meet if produced backward.
Physics denoting particles or interactions with extremely short lifetimes and (owing to the uncertainty principle) indefinitely great energies, postulated as intermediates in some processes.

Thesaurus ($BN`8l(B)

a virtual guarantee effective, in effect, near, near enough, essential, practical, to all intents and purposes.
a virtual shopping environment simulated, artificial, imitation, make-believe; computer-generated, online, virtual reality.

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[ruby-array.rb]
#!/usr/bin/ruby a = Array.new(12); a[0] = 31; a[1] = 28; a[2] = 31; a[3] = 30; a[4] = 31; a[5] = 30; a[6] = 31; a[7] = 31; a[8] = 30; a[9] = 31; a[10] = 30; a[11] = 31; i=0; sum=0; while( i<=11 ) sum += a[i] i += 1 end printf("sum == %d\n", sum );
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[ruby-assoc.rb]
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Last updated: 2009/09/23 17:19:21

Yasushi Shinjo / <yas @ cs.tsukuba.ac.jp>

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