HP 48gII Advanced User's Reference Manual page 568

# ( hex )
DE1E
DE1F
DE20
DE21
DE22
DE23
DE24
DE25
DE26
DE27
DE28
DE29
DE2A
DE2B
DE2C
DE2D
DE2E
DE2F
DE30
DE31
DE32
DE33
DE34
DE35
DE36
DE37
DE38
DE39
DE3A
DE3B
DE3C
DE3D
DE3E
DE3F
DE40
DE41
DE42
A - 46 Error and Status Messages
Messages Listed Numerically (continued)
Z is not prime
Empty {} of equations
Not reducible to a rational expression
Non unary operator
User function
Non isolable operator
Not exact system
Parameters not allowed
CAS internal error
Invalid ^ for SERIES
Operator not implemented (SERIES)
No variable in expr.
No solution found
Invalid derivation arg
No solution in ring
Not a linear system
Can't derive int. var
Diff equation order>2
INT:invalid var change
Mode switch cancelled
No name in expression
Invalid user function
Can't find ODE type
Integer too large
Unable to find sign
Non-symmetric matrix
ATAN insufficent order
ASIN at infinity undef
Unsigned inf error
LN[Var] comparison err
Undef limit for var
Bounded var error
Got expr. indep of var
Can't state remainder
LN of neg argument
Insufficient order
ABS of non-signed 0
Message