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Text File  |  1993-10-16  |  123b  |  5 lines
  1. asinh(0) := 0
  2. asinh(inf) := inf
  3. asinh(-inf) := -inf
  4. asinh(x_) := if( isnumber(x) and numeric==on, ln(x+sqrt(x^2+1)) )
  5.