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OS/2 Shareware BBS: 10 Tools
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10-Tools.zip
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rbemx144.zip
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ruby-1.4.4
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sample
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pi.rb
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1998-01-16
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326b
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19 lines
#!/usr/local/bin/ruby
k, a, b, a1, b1 = 2, 4, 1, 12, 4
while TRUE
# Next approximation
p, q, k = k*k, 2*k+1, k+1
a, b, a1, b1 = a1, b1, p*a+q*a1, p*b+q*b1
# Print common digits
d = a / b
d1 = a1 / b1
while d == d1
print d
$stdout.flush
a, a1 = 10*(a%b), 10*(a1%b1)
d, d1 = a/b, a1/b1
end
end