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