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F-2 Messages
Indicates the "top" of equation memory. The memory
scheme is circular, so is also the
"equation" after the last equation in equation memory.
The calculator is calculating the integral of an equation
or program. This might take a while.
A running CALCULATE,SOLVE or ∫ FN operation was
interrupted by pressing or in ALG, RPN, EQN,
or PGM mode.
Data error:
Attempted to save or calculate error data.
Attempted to calculate combinations or permutations
with r >n, with non–integer r or n, or with n ≥10
16
.
Attempted to save a complex number or vector in
the statistical data.
Attempted to save a base-n number that contains
digits greater than the largest base-n number digit
allowed.
Attempted to save an invalid data in the statistical
register using
operation.
Attempt to compare complex numbers or vectors.
Attempted to use a trigonometric or hyperbolic
function with an illegal argument:
with x an odd multiple of 90
°
.
or with x < –1 or x > 1.
with x ≤ –1; or x ≥ 1.
with x < 1.
Attempted to enter an invalid variable name when
solving an equation.
Attempted a factorial or gamma operation with x as a
negative integer.