HP 33s - Manual (Page 352)

F–4 Messages
# The calculator is solving an equation or program for its
root. This might take a while.
!12 Attempted to calculate the square root of a negative
number.
!!   Statistics error:
„ Attempted to do a statistics calculation with n = 0.
„ Attempted to calculate s
x
s
y
, xˆ ,
yˆ
, m, r, or b
with n = 1.
„ Attempted to calculate r, xˆ or
w x
with x–data
only (all y–values equal to zero).
„ Attempted to calculate xˆ ,
yˆ
, r, m, or b with all
x–values equal.
!  The magnitude of the number is too large to be
converted to HEX, OCT, or BIN base; the number must
be in the range
–34,359,738,368
≤ n ≤34,359,738,367.
% #  $ A running program attempted an eighth nested %
label. (Up to seven subroutines can be nested.) Since
SOLVE and
³ FN each uses a level, they can also
generate this error.
&  The condition checked by a test instruction is true.
(Occurs only when executed from the keyboard.)
Self–Test Messages:
 .  The self–test and the keyboard test passed.
 . n The self–test or the keyboard test failed, and
the calculator requires service.
©
 # )) ) Copyright message displayed after
successfully completing the self–test.