The CT-512 solar-powered calculator lacks a power button, so how can you turn it off? While the CT-512 automatically shuts down after a period of inactivity, you can also use a key combination to manually switch it off. Today, Mytour will show you how to do it.
Steps

Press the ÷. The "Divide" button is located on the right side of the calculator, next to the number keypad.

Press the x. The "Multiply" button is located on the right side of the calculator, next to the number keypad.

Press the %. The 'Percentage' button is located to the right of the calculator, beside the number pad.

Press the Check. In the top left corner of the calculator is the 'Check' button.

Press the Correct. This button, labeled 'Correct x' and 'Delete,' can be found next to the 'Check' button.

Press the Correct again. Once you press the 'Correct' button for the second time, the calculator will turn off.
Advice
- Since there are many different computer brands, the process of turning off the computer will vary depending on the model. For computers other than the CT-512, you can refer to the user manual or read the article How to turn off a regular pocket calculator.