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Text File  |  1992-03-09  |  300b  |  14 lines
  1. define(log10(x)=ln(x)/ln(10))
  2. define(erfc(x)=1-erf(x))
  3.  
  4. define(acot(x)=atan(1/x))
  5. define(asec(x)=acos(1/x))
  6. define(acsc(x)=asin(1/x))
  7.  
  8. define(asinh(x)=ln(x+sqrt(x^2+1)))
  9. define(acosh(x)=ln(x+sqrt(x^2-1)))
  10. define(atanh(x)=0.5*ln((1+x)/(1-x)))
  11. define(asech(x)=ln((1+sqrt(1-x^2)/x)))
  12.  
  13. end
  14.