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Text File  |  1992-01-26  |  267 b   |  16 lines
  1. d(Si(x)/d(x)) = sin(x)/x
  2. d(Ci(x)/d(x)) = cos(x)/x
  3. d(Ei(x)/d(x)) = exp(x)/x
  4. d(Li(x)/d(x)) = 1/ln(x)
  5.  
  6. inte(sin(x)/x*d(x)) = Si(x)
  7. inte(cos(x)/x*d(x)) = Ci(x)
  8. inte(exp(x)/x*d(x)) = Ei(x)
  9. inte(d(x)/ln(x)) = Li(x)
  10.  
  11. Si(0)=0
  12. Si(inf)=pi/2
  13. Si(-inf)=-pi/2
  14.  
  15. end
  16.