11 Errors; Error Messages And Calculator Status - HP 20B User Manual

11 Errors

Error Messages and Calculator Status

Table 11-1 Error Messages
Error Message
ER: Underflow
ER: x/0
ER: 0/0
∞
ER: *0
∞ ∞
ER: /
√
ER: / (x<0)
ER: LN (0)
ER: LN (x<0)
ER: ATrig(|x|>1)
∞
ER: 1^
∞
ER: (x<0)^
∞
ER: ^0
∞
ER: ^(Frac)
ER: (x<0)^(Frac)
ER: Out of Bounds
ER: Invalid P/YR
ER: Invalid Input
ER: Invalid I%
ER: No Solution
ER: Many or No Solutions
Status
The calculation generated an underflow (result of 0).
Division by zero.
Zero divided by zero.
Infinite multiplied by zero.
Infinite divided by infinite.
Square root of a negative number.
LN of 0.
LN of a negative number.
ASIN or ACOS of a number for which the absolute
value is > 1.
Attempted calculation of 1^+/-Infinite.
Attempted calculation of the infinite power of a
negative number.
Attempted calculation of +/-∞^0.
Attempted calculation of +/-∞^ (non-integer y).
Attempted calculation of (-x) ^ (non-integer y).
Input out of bounds.
Returned by TVM functions if payments per year are
invalid (<0 or non-integer).
Returned if arguments are invalid for any reason.
Returned by finance functions if I is ≤ 100%.
Returned when there is no solution to the problem.
Returned if there is no solution, or more than one
solution to the problem.
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Errors