How to write a negative number on a Casio calculator

To write a negative number on a Casio calculator, you can use the (-) sign key usually located on the left side of the keypad.

Here are the steps to write a negative number on a Casio calculator:

1. Turn on the calculator by pressing the ON/C button.
2. Enter the number you want to make negative.
3. Press the minus (-) sign key located on the left side of the keypad.
4. Enter the remaining digits of the number if there are any.
5. Press any required operation keys or the equal (=) key to perform calculations.

For example, if you want to write -5 on the calculator, follow these steps:

1. Turn on the calculator.
2. Press 5.
3. Press the (-) sign key.
4. Press the = key, or any other operation key if required.

The display should now show -5. Remember to follow the specific instructions for your Casio calculator model as different models may have slight variations in their keys and operations.