Casio fx-CG20 Appendix, 1. Error Message Table, • General calculation errors, When you see, this message:, It means this:, So you need to do this:

Appendix

1. Error Message Table

• General calculation errors

When you see	It means this:	So you need to do this:
this message:
Syntax	• Illegal syntax	Press Jto display the error and
ERROR	• Attempt to input an illegal command	make necessary corrections.
Ma ERROR	• Calculation result that exceeds the	Check input values and make
	calculation range.	corrections to ensure that values are
	• Mathematical error (division by zero,	within allowable limits.
	etc.)
Stack ERROR	Execution of calculations that exceed	• Simplify the formulas to keep
	the capacity of the stack for numeric	stacks within 10 levels for the
	values or stack for commands.	numeric values and 26 levels for the
		commands.
		• Divide the formula into two or more
		parts.
Input value	Attempting to input a non-integer value	Input an integer value.
must be	in a location that requires integer input.
integer.
Input value	Attempting to input a non-matrix value	Input a matrix value.
must be	in a location that requires matrix input.
matrix.
Input value	Attempting to input a non-list value in a	Input a list value.
must be list.	location that requires list input.
Input value	Attempting to input a non-real number	Input a real number value.
must be real	value in a location that requires real
number.	number input.
Invalid polar	Attempting to input an imaginary	Check the polar form.
form	number for polar form (r∠θ) r or θ.
Wrong	The size relationship between two	Change the values so the size
argument size	arguments is opposite from what it	relationship required by the syntax is
relationship.	should be.	maintained.
	Example: nCr(3,10)
Non-Real	Calculation that produces a complex	Change the Complex Mode setting to
ERROR	number when Real is specified for the	something other than Real.
	Complex Mode setting on the Setup		α
	screen, even though the argument is a
	real number.

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