Casio Algebra FX 2.0 User Manual page 401

Message
Download • Data communication cable
ERROR disconnect during add-in
installation, or incorrect
data transfer conditions.
Model • Attempt to perform back up
Mismatch between two different models.
Overflow • Overflow of the calculation
ERROR range in the Algebre Mode.
Domain • Overflow of the input element
ERROR range in the Algebre Mode.
-1-4
!
Error Message Table
Meaning
19990401
Countermeasure
• Press w and try again.
• Press i and try again.
• Use two identical models.
• Correct the input expression.
• Correct the input expression.