Casio fx-50F User Manual page 76

A Recovering from an Error Message
You can recover from an error message by performing the key operations described below,
regardless of the error type.
• Press or to display the editing screen for the calculation expression you input immediately
before the error occurred, with the cursor positioned at the location that caused the error. For
more information, see "Finding the Location of an Error" on page 13.
• Pressing A will clear the calculation expression you input immediately before the error occurred.
Note that a calculation expression that causes an error will not be included in calculation history.
A Error Message Reference
This section lists all of the error messages that the calculator displays, as well as their causes and
what you need to do to avoid them.
Math ERROR
Cause
Action
For information about the allowable value input range, see "Calculation Ranges, Number of Digits,
and Precision" on page 73.
Stack ERROR
Cause
Action
For information about the capacities of the stacks, see "Stack Limitations" on page 72.
Syntax ERROR
Cause
Action
Arg ERROR
Cause
Action
• An intermediate or the fi nal result of the calculation falls outside of the
allowable calculation range.
• An input value is outside the allowable input range.
• You are trying to perform an illegal mathematical operation (such as
division by zero).
• Check your input values and reduce the number of digits, if required.
• When using independent memory or a variable as the argument of a
function, make sure that the memory or variable value is within the
allowable range for the function.
The calculation has causes the capacity of the numeric stack or the
command stack to be exceeded.
• Simplify the calculation expression so it does not exceed the capacity of
the stacks.
• Try splitting the calculation into two or more parts.
The calculation has a format problem.
Check the syntax and make the required corrections.
The calculation has a problem with how an argument being used.
Check how arguments are being used and make the required corrections.
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