[Tutor] Sqrt is listed as always available.

[Kermit Rose]

Sqrt is listed as always available.

Why did I get these diagnostics?


>>> Sqrt(J0)

Traceback (most recent call last):
  File "<pyshell#1>", line 1, in -toplevel-
    Sqrt(J0)
NameError: name 'Sqrt' is not defined
>>> 
>>> sqrt(J0)

Traceback (most recent call last):
  File "<pyshell#3>", line 1, in -toplevel-
    sqrt(J0)
NameError: name 'sqrt' is not defined
>>> SQRT(J0)

Traceback (most recent call last):
  File "<pyshell#4>", line 1, in -toplevel-
    SQRT(J0)
NameError: name 'SQRT' is not defined
>>>