Error messages
On a Casio calculator you can get error messages.
Examples 1
To enter 1 ÷ 0
Ma ERROR Press:[EXIT] 1 ÷ 0 EXE 1÷0
or 0 ÷ 0
Ma ERROR Press:[EXIT] 0 ÷ 0 EXE 0÷0
or 0−1
x⁻¹ E
Ma ERROR Press:[EXIT] 0 SHIFT ) 0-1
Dividing by zero always produces a message.
Example 2
To enter 00
Ma ERROR Press:[EXIT] 0 ∧ 0 EXE EXIT 00
although it is determined by definition that 00 ≝ 1. Take that as a warning.
Example 3
To enter √−2
√
Non-Real ERROR Press:[EXIT] SHIFT x² (–) 2 EXE √−2
The square root from a negative number always gives a message.
Example 4
To enter 2 (−) 1
Syntax ERROR Press:[EXIT] 2 (–) 1 EXE 2-1
A minus sign cannot be used to subtract.
Example 5
To enter 1 + 2
Syntax ERROR Press:[EXIT] 1 + 2 EXE
when SET UP Mode Bin is specified, as only 0 and 1 are possible.
Example 6
To recall list 3 that does not exist gives an error message
List
Dimension ERROR Press:[EXIT] ≣ 3 EXE List 3
Example 7
To simplify by specifying a divisor of 2 gives an error message
Simp
Can't Simplify Press:[EXIT] 7 ab/c 8 EXE ≣ 2 EXE Ans►Simp 2