Calculator User's Guide
A-3
Message Meaning Countermeasure
Can’t Solve! 
Adjust initial 
value or 
bounds. Then 
try again
• A Solve calculation could not obtain 
a solution within the specified range.
• Change the specified range.
• Correct the input expression.
No Variable
 No variable specified within a graph 
function being used for Dynamic 
Graph.
 No variable within a Solve equation.
 Specify a variable for the graph 
function.
 Input a Solve equation that 
includes a variable.
Conversion 
ERROR
• Attempting to use the unit 
conversion command to convert 
between two units in different 
categories.
• Executing a conversion calculation 
using the same command twice in a 
conversion expression.
• In a conversion expression, 
specify two different commands 
that are in the same category.
Com ERROR • Problem with cable connection or 
parameter setting during program 
data communications.
• Check to make sure there is 
nothing wrong with the cable 
connection, and that parameters 
are configured correctly.
Transmit 
ERROR
• Problem with cable connection 
or parameter setting during data 
communications.
• Check to make sure there is 
nothing wrong with the cable 
connection, and that parameters 
are configured correctly.
Receive 
ERROR
• Problem with cable connection 
or parameter setting during data 
communications.
• Check to make sure there is 
nothing wrong with the cable 
connection, and that parameters 
are configured correctly.
Memory Full • Memory of receiving unit 
became full during program data 
communications.
• Delete some data stored in the 
receiving unit and try again.
Invalid Data 
Size
• Attempting to send data of a 
size that is not supported by the 
receiving device.
Example: Attempting to send a 
matrix with more than 256 lines from 
the fx-9750G
II to an older model.
• Make sure the data being sent is 
of a size that is supported by the 
receiving device.
Invalid Data 
Number
• Attempting to send data with a data 
number that is not supported by the 
receiving device.
Example: Attempting to send 
List 7 from the fx-9750G
II to an 
older model that supports only up 
to List 6.
• Specify a data number supported 
by the receiving device when 
sending data.










