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CD ROM Paradise Collection 4
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CD ROM Paradise Collection 4 1995 Nov.iso
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sm32a.zip
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LIBRARY
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ACSCH.LI
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1993-10-16
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173b
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7 lines
acsch(0) := discont
acsch(zero) := inf
acsch(-zero) := -inf
acsch(inf) := 0
acsch(-inf) := 0
acsch(x_) := if( isnumber(x) and numeric==on, ln((1+sqrt(1+x^2))/x)/2 )