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Argument error
• For a command or function
that requires an argument, the
argument is outside the input
range.
Sy ntax error
Mathematical
error
Undefined line
number error
Variable error
Nesting error
Option error
• Program
cannot be written
due to insufficient number of
steps or memory cannot be
expanded.
• Stack overflow due to a com-
plicated calculation formula.
- A mistake has been made in
writing the program, etc.
- The left side format is differ-
ent from the right side format
in a substitution statement,
etc.
- The calculation
resu It of a
numerical expression is 10
100
or greater.
• Outside the input range of a
numerical function.
-The result is indefinite or im-
possible.
_ No designated line number for
a GOTO statement or a GO-
SU B statement
- Attempt was made to use a
memory wh ich has not been
expanded.
_ Attempt was made to use the
same memory for a numerical
variable
and
a
character
variable at the same time.
- A RETURN statement appears
other than during subroutine
execution.
- A
NEXT statement appears
other than during a FOR loop
or the variable of the NEXT
statement is different from that
of the FOR statement.
• Subroutine nesting exceeds 8
levels.
• FOR loop nesting exceeds 4
levels.
• Execution is performed in the
PRT mode or option com-
mand such as SAVE is exe-
cuted when no printer or tape
recorder is connected.
-61-
• Clear
unnecessary
pro-
grams or reduce the num-
ber of memories.
• Divide and simplify the
numerical expression.
• Correct the error in the
input program, etc.
• Correct
the calculation
formula or data.
• Verify the data.
• Correct
the
designated
line number.
• Correct
the
argument
error.
• Expand the memory pro-
perly.
- Do
not use the same
memory for a numerical
variable and a character
variable at the same time.
• Remove the unnecessary
RETURN statement
or
NEXT statement.
• Reduce the subroutines
or FOR-NEXT loops to
within
the
maximum
levels.
• Connect a printer or tape
recorder.
- Release the PRT mode.
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