Optimization sample

Calculate the extremum point for the function exp (x) - x^3
  1. Type in the expression field:

  2. exp (x) - x^3
  3. Switch the Optimization mode on
  4. In the corresponding entry fields enter
  5.            -2 for the lower limit 
               2 for the upper limit
  6. Initialize the parameters as follows
  7.            x - mark as variable
    
  8. Click the Start button.
You obtain immediately (provided you choose 15 digits precision):

Result = -0.458962271872
Function value 0.72862