VTech E Power User Manual download pdf (Page 78)

THE ERROR MESSAGES

CANNOT CONTINUE

An attempt is made to continue a program that:

1. Has halted due to an error.

2. Has been modified during a break in execution, or

3. Does not exist.

DIVISION BY ZERO

A division by zero is encountered in an expression, or the operation of involution results

in zero being raised to a negative power.

EXTRA IGNORED

More than one parameter is entered to ‘INPUT’ command.

ILLEGAL DIRECT

A statement that is illegal in direct mode command. Example: INPUT

ILLEGAL FUNCTION CALL

A parameter that is out of range is passed to a math or string function. This error may

also occur as the result of:

1. A negative or unreasonably large subscript.

2. A negative or zero argument with LOG.

3. A negative argument to SQR.

4. A negative mantissa with a non-integer exponent.

5. An improper argument to MID$, LEFT$, RIGHT$.

MISSING OPERAND

The operand of some commands are missed.

NEXT WITHOUT FOR

A variable in a NEXT statement does not correspond to a previously executed unmatched

FOR statement variable.

OUT OF DATA

A READ statement is executed when there are no DATA statements with unread data

remaining in the program.

OUT OF MEMORY

A program is too large, had too many FOR loops or GOSUB, too many variables, or

expressions that are too complicated.

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VTech E Power User Manual Page 78