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α-4
2. Error Message Table
Message Meaning Countermeasure
Syntax
ERROR
• Illegal syntax
• Attempt to input an illegal command
• Press J to display the error and
make necessary corrections.
Ma ERROR • Calculation result exceeds the
display range.
• Calculation is outside the input
range of a function.
• Mathematical error (division by zero,
etc.)
• Sufficient precision could not be
obtained for Σ calculation,
differential calculation, etc.
• Solution could not be obtained for
equation calculation, etc.
• Check input values and make
corrections to ensure that values
are within allowable limits.
Go ERROR
1 No corresponding Lbl
n for Goto n.
2 No program stored in program area
Prog "file name".
1 Correctly input a Lbl n to corres-
pond to the Goto n, or delete the
Goto n if not required.
2 Store a program in program area
Prog "file name", or delete the
Prog "file name" if not required.
Nesting
ERROR
• Nesting of subroutines by Prog
"file name" exceeds 10 levels.
• Ensure that Prog "file name" is
not used to return from
subroutines to main routine. If
used, delete any unnecessary
Prog "file name".
• Trace the subroutine jump
destinations and ensure that no
jumps are made back to the
original program area. Ensure that
returns are made correctly.
Stack ERROR • Execution of calculations that
exceed the capacity of the stack
for numeric values or stack for
commands.
• Simplify the formulas to keep
stacks within 10 levels for the
numeric values and 26 levels for
the commands.
• Divide the formula into two or
more parts.
Memory
ERROR
• Operation or memory storage
operation exceeds remaining
memory capacity.
• Simplify the data you are trying
to store to keep it within the
available memory capacity.
• Delete no longer needed data to
make room for the new data.
Argument
ERROR
• Incorrect argument specification
for a command that requires an
argument.
• Correct the argument.
Dimension
ERROR
• Illegal dimension used during matrix
or list calculations.
• Check the matrix or list dimension.
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