Casio fx-CG20 • Equation mode errors, • List and matrix calculation errors

• List and matrix calculation errors

When you see	It means this:	So you need to do this:
this message:
Invalid list or	Incorrect use of a list or matrix.	Press J to display the error and
matrix		make necessary corrections.
Dimension	Illegal dimension used during matrix or	Check the matrix or list dimension.
ERROR	list calculations.
Complex	List containing complex number used	Change all data in the list to real
Number in List	in a calculation or operation for which	numbers.
	complex number data is invalid.
Complex	Matrix containing complex number	Change all data in the matrix to real
Number in	used in a calculation or operation for	numbers.
Matrix	which complex number data is invalid.
Improper	You attempted to create a list or matrix	A list cannot have more than 999
Number of	whose number of elements exceeds	elements, and a matrix cannot
Elements	the maximum limit.	exceed 999 rows ⋅ 999 columns.

• Equation mode errors

When you see	It means this:	So you need to do this:
this message:
Infinitely Many	An infinite number of solutions for	—
Solutions	simultaneous linear equations.
No Solution	No solution for simultaneous linear	—
	equations.
No Variable	No variable within a Solve equation.	Input a Solve equation that includes
		a variable.

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