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Simtel MSDOS - Coast to Coast
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COTH.(X)
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1993-10-16
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165b
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7 lines
coth(0) := discont
coth(zero) := inf
coth(-zero) := -inf
coth(inf) := 1
coth(-inf) := -1
coth(x_) := if( isnumber(x) and numeric==on, (e^x+e^-x)/(e^x-e^-x) )