DERIV


Math command DERIV


10
20  DERIV x, maxtries, maxerr, BYREF result, BYREF errcode USE expr
30
Calculation of derivative. errcode = 0 for success; otherwise calculation error.


See examples


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  • x value of x
  • maxtries maximum number of retries
  • maxerr tolerance
  • errcode 0 for success; otherwise calculation error
  • result the result