#### Examples.

- Input:
  evalf(sqrt(2))
  Output: (Assuming that in the cas configuration (Cfg menu) Digits=7, so hardware floats are used, and 7 digits are displayed)

  1.414214

- You can change the number of digits in a command line by assigning the variable DIGITS or Digits.
  Input:

  DIGITS:=20
  evalf(sqrt(2))

  Output:

  1.4142135623730950488

- Input:
  evalf(10^-5)
  Output:

  1e-05

- Input:
  evalf(10^15)
  Output:

  1e+15

- Input:
  evalf(sqrt(2))*10^-5
  Output:

  1.41421356237e-05