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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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LIBRARY
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ASECH.LI
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Text File
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1993-10-16
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105b
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3 lines
asech(0) := inf
asech(x_) := if( isnumber(x) and numeric==on, ln((1+sqrt(1-x^2))/(1-sqrt(1-x^2)))/2 )